This morpheme tends to mean "one who". Some of the most representative words that include it are: governor, editor, operator. It's typically applied to nouns.
See the full list below:
- door
- director
- floor
- doctor
- sector
- factor
- major
- professor
- author
- motor
- editor
- error
- taylor
- mirror
- chancellor
- solicitor
- inspector
- councillor
- governor
- mayor
- visitor
- emperor
- actor
- horror
- corridor
- manor
- interior
- operator
- processor
- vendor
- terror
- successor
- ambassador
- collector
- victor
- tutor
- moor
- predecessor
- metaphor
- debtor
- investor
- indicator
- reactor
- monitor
- creditor
- supervisor
- surveyor
- contractor
- administrator
- senator
- vector
- counsellor
- conductor
- competitor
- donor
- predator
- instructor
- proprietor
- warrior
- auditor
- distributor
- detector
- receptor
- tractor
- hector
- creator
- rector
- anchor
- curator
- co-ordinator
- spectator
- radiator
- sponsor
- sailor
- rotor
- generator
- exterior
- liquor
- bachelor
- semiconductor
- prosecutor
- razor
- investigator
- tenor
- narrator
- settlor
- sculptor
- survivor
- offeror
- coordinator
- commentator
- decor
- ancestor
- cursor
- protector
- calculator
- accelerator
- microprocessor
- minor
- testator
- tailor
- refrigerator
- inventor
- regulator
- activator
- contributor
- dictator
- arbitrator
- superior
- mentor
- navigator
- advisor
- transistor
- prior
- precursor
- traitor
- pastor
- adaptor
- accumulator
- translator
- sensor
- proctor
- tensor
- negotiator
- capacitor
- equator
- tor
- moderator
- tremor
- collor
- junior
- elevator
- signor
- projector
- squalor
- mediator
- assessor
- connector
- originator
- selector
- labrador
- denominator
- guarantor
- conqueror
- inhibitor
- illustrator
- vice-chancellor
- elector
- labor
- liquidator
- lessor
- executor
- benefactor
- ventilator
- incinerator
- first-floor
- transferor
- senior
- resistor
- convenor
- simulator
- conveyor
- adjudicator
- confessor
- predictor
- color
- aggressor
- communicator
- decorator
- terminator
- pallor
- multiprocessor
- facilitator
- reflector
- castor
- collaborator
- possessor
- stupor
- orator
- objector
- visor
- perpetrator
- escalator
- demonstrator
- inquisitor
- shopfloor
- oscillator
- repressor
- incisor
- suitor
- attractor
- favor
- alligator
- behavior
- extractor
- co-author
- harbor
- meteor
- compressor
- procurator
- innovator
- subcontractor
- integrator
- condor
- protractor
- compositor
- suppressor
- honor
- stator
- trapdoor
- emulator
- censor
- incubator
- depositor
- mortgagor
- alternator
- effector
- contemnor
- speculator
- interlocutor
- anaphor
- motivator
- carburettor
- excelsior
- purveyor
- legislator
- torpor
- coprocessor
- liberator
- educator
- initiator
- questor
- defector
- descriptor
- instigator
- excavator
- insulator
- detonator
- progenitor
- estimator
- cantor
- monsignor
- dancefloor
- numerator
- uniprocessor
- manipulator
- inductor
- juror
- vibrator
- phosphor
- captor
- sergeant-major
- acceptor
- co-processor
- phasor
- languor
- injector
- conservator
- replicator
- posterior
- tormentor
- exhibitor
- gladiator
- respirator
- meditator
- interrogator
- conjuror
- aviator
- oppressor
- matador
- agitator
- picador
- locator
- covenantor
- constructor
- eliminator
- valor
- guv'nor
- superconductor
- technicolor
- senor
- comprador
- consignor
- propagator
- modulator
- comparator
- exhilarator
- janitor
- divisor
- backdoor
- tabor
- arbor
- blackmoor
- co-director
- grantor
- franchisor
- resonator
- bor
- underfloor
- batchelor
- convector
- cultivator
- interceptor
- camphor
- relator
- separator
- chiropractor
- defibrillator
- animator
- spoor
- salvator
- prospector
- impersonator
- protestor
- precentor
- promisor
- attenuator
- tumor
- assignor
- ovipositor
- conspirator
- eigenvector
- lieutenant-governor
- pollinator
- covector
- conciliator
- bailor
- invigilator
- trainor
- percolator
- evaluator
- illuminator
- flexor
- concentrator
- predicator
- raptor
- monochromator
- bronchodilator
- biosensor
- kor
- senhor
- blackamoor
- wordprocessor
- tortfeasor
- inheritor
- dor
- allocator
- evaporator
- eradicator
- tricolor
- distractor
- fabricator
- cofactor
- impactor
- stimulator
- erector
- impostor
- abductor
- refractor
- constrictor
- appointor
- turgor
- convertor
- rigor
- boor
- vizor
- conquistador
- applicator
- discriminator
- humor
- differentiator
- orchestrator
- participator
- servitor
- neighbor
- locomotor
- defensor
- flavor
- persecutor
- imperator
- counter-tenor
- countertenor
- commutator
- witchdoctor
- deflator
- imitator
- pro-vice-chancellor
- infiltrator
- exterminator
- formulator
- multivibrator
- praetor
- interconnector
- intercalator
- scissor
- deflector
- four-vector
- circulator
- gator
- flor
- phototransistor
- stressor
- levator
- intercessor
- ichor
- malefactor
- vasodilator
- genitor
- ejector
- parlor
- inoculator
- lector
- continuator
- renovator
- duplicator
- enumerator
- aerator
- piscator
- expositor
- extensor
- detrusor
- escheator
- splendor
- corepressor
- dominator
- procrastinator
- designator
- articulator
- consolidator
- co-conspirator
- coauthor
- violator
- vasoconstrictor
- teleprocessor
- emancipator
- seafloor
- exfoliator
- adductor
- depressor
- undulator
- collimator
- vaccinator
- computor
- implementor
- fulgor
- coadjutor
- fornicator
- disintegrator
- armor
- adrenoceptor
- isolator
- masturbator
- licensor
- detractor
- rejuvenator
- ticket-collector
- xor
- khor
- ideator
- correlator
- depilator
- promotor
- dedicator
- configurator
- autotitrator
- kwashiorkor
- pretor
- collator
- stellarator
- photoconductor
- autoinjector
- thermistor
- citator
- variator
- delegator
- nominator
- endeavor
- thyristor
- restrictor
- succentor
- preceptor
- pledgor
- chelator
- corrector
- encapsulator
- pressor
- declarator
- chador
- rumor
- inseminator
- mirador
- perambulator
- dilator
- turbulator
- desiccator
- warrantor
- enactor
- trimotor
- tabulator
- transactivator
- cooperator
- misdemeanor
- lubricator
- bocor
- irrigator
- heldentenor
- destructor
- dolor
- twistor
- perceptor
- antitumor
- photoreceptor
- actuator
- four-door
- decimator
- vavasor
- ultrasonicator
- rotovator
- viator
- compactor
- groundfloor
- acquisitor
- hibernator
- corregidor
- sonicator
- prosector
- calibrator
- fervor
- ardor
- praepostor
- multiplexor
- furor
- humidor
- divertor
- obligor
- overdoor
- tandoor
- rotavator
- propellor
- alienor
- quaestor
- volador
- proliferator
- pavior
- epilator
- determinator
- divinator
- authenticator
- unguitractor
- interruptor
- castrator
- vice-director
- archchancellor
- alachlor
- proprioceptor
- end-effector
- perfector
- accommodator
- nonjuror
- annotator
- disseminator
- rhetor
- totalisator
- dispossessor
- corruptor
- interpolator
- cursitor
- nonpossessor
- photodetector
- denitrator
- subeditor
- heritor
- perforator
- fumigator
- vasodepressor
- newsvendor
- donator
- prefactor
- interdictor
- valvasor
- nociceptor
- rubricator
- travelator
- contactor
- vapor
- assimilator
- feoffor
- penetrator
- regenerator
- bioreactor
- regressor
- jailor
- observator
- retractor
- encryptor
- aerogenerator
- laminator
- micromanipulator
- appropriator
- macerator
- captivator
- stabilator
- granulator
- notator
- equivocator
- legitimator
- iodophor
- lithotriptor
- transgressor
- inflator
- subfloor
- sequestrator
- realtor
- stoor
- reinventor
- rotator
- misbehavior
- idolator
- precipitator
- humiliator
- cunctator
- celebrator
- judicator
- dehydrator
- stentor
- reprocessor
- lictor
- jaculator
- maenor
- decapitator
- threshing-floor
- delineator
- copulator
- redistributor
- teleoperator
- transactor
- scintillator
- polyhistor
- confiteor
- negator
- examinator
- resuscitator
- miscalculator
- coeditor
- migrator
- lentor
- subsector
- machinator
- disruptor
- glass-door
- televisor
- butachlor
- aporepressor
- devisor
- depopulator
- combustor
- fluor
- annihilator
- ignitor
- obstructor
- scarificator
- phosphoacceptor
- requestor
- chlorinator
- dissector
- cohabitor
- mutator
- retailor
- odor
- demotivator
- aggravator
- oxygenator
- expeditor
- documentor
- owner-operator
- recapitulator
- autocorrelator
- legator
- abettor
- toreador
- sordor
- gyrator
- telefactor
- obturator
- immunomodulator
- dilutor
- demarcator
- compensator
- instaurator
- handmirror
- mazdoor
- supplicator
- adamastor
- incorporator
- significator
- contradictor
- fixator
- fetor
- diffractor
- stridor
- denunciator
- vivisector
- pipettor
- signior
- vindicator
- natator
- decelerator
- secretor
- syndicator
- ductor
- preparator
- savior
- heptachlor
- provisor
- demeanor
- trustor
- fictor
- anticipator
- epitomator
- heliodor
- representor
- vasopressor
- accessor
- counselor
- circumambulator
- savor
- holoprojector
- reactivator
- annunciator
- bokor
- embassador
- ephor
- mormaor
- validator
- overpronator
- mitigator
- redactor
- chemoreceptor
- carbonator
- electroreceptor
- expropriator
- calumniator
- impregnator
- candor
- architector
- contratenor
- exaggerator
- disfavor
- evocator
- distrainor
- corridor warrior
- joculator
- psoas major
- starter motor
- subtutor
- Doctor
- osmoceptor
- manumotor
- phase modulator
- tributor
- glucocorticoid receptor
- vis major
- nontutor
- straight razor
- capeador
- tinpot dictator
- microstimulator
- Senator
- incarcerator
- TRS connector
- baroceptor
- potentiator
- cryptoprocessor
- pressurized water reactor
- somnambulator
- spelling error
- earthfloor
- tetanomotor
- thrashing floor
- contemplator
- inspirator
- neyghbor
- radioreceptor
- reconstructor
- susceptor
- mechanonociceptor
- thrashingfloor
- chicken tractor
- transmigrator
- multivector
- good humor
- watercolor
- bronchoconstrictor
- repulsion motor
- care factor
- power factor
- previvor
- noninvestor
- global indicator
- deteriorator
- recognizor
- lungoor
- agrimensor
- Helmholtz resonator
- eductor
- American alligator
- hydroelectric generator
- segregator
- privy councillor
- dead door
- knor
- quantity surveyor
- nonvisitor
- oh for
- superdirector
- fast-breeder reactor
- retroreflector
- heart rate monitor
- approximator
- exicator
- laudator
- hypertumor
- expurgator
- associate professor
- confirmator
- introductor
- preditor
- sopor
- functor
- brain tumor
- railmotor
- repulsor
- malaxator
- amboceptor
- metric tensor
- color commentator
- indentor
- conjugator
- preditor
- primogenitor
- Knight Bachelor
- delimitator
- substitutor
- redisseizor
- overinvestor
- e-mentor
- edulcorator
- hypertwistor
- coassessor
- underinvestor
- nonmediator
- subjector
- gravitator
- divestor
- regimental sergeant major
- reprobator
- affinor
- malt floor
- mattress protector
- mechanoreceptor
- sales advisor
- sapor
- school counselor
- extinctor
- pocket door
- forecolor
- Knight Batchelor
- pull factor
- caffeinator
- malt liquor
- transductor
- congestor
- flocculator
- nonprofessor
- walking simulator
- digestor
- rancor
- literator
- reinvestigator
- activist investor
- teletutor
- zenith sector
- rotavapor
- enucleator
- hydrator
- microbioreactor
- tongue depressor
- Euroconnector
- coassociator
- commemorator
- confirmed bachelor
- gender traitor
- nondivisor
- nonsailor
- destratificator
- obsoletor
- occlusor
- sales floor
- immigrator
- pizza parlor
- fount of honor
- knight in shining armor
- deductor
- star visitor
- venerator
- nonsuperconductor
- dial indicator
- obsonator
- reinvestor
- paraeducator
- elutriator
- chauncellor
- thiadifluor
- thin-film transistor
- pectoralis major
- anticolor
- hydromotor
- coactivator
- monointercalator
- individuator
- decorrelator
- deductor
- superdoctor
- wobbulator
- sahoor
- pectoralis minor
- huzoor
- hydroextractor
- hygroreceptor
- ivacaftor
- unit vector
- cultural appropriator
- biomodulator
- land surveyor
- story editor
- discombobulator
- guilor
- electrostatic precipitator
- chauncelor
- microprojector
- traditor
- cocreator
- explicator
- infector
- soliflor
- nonoperator
- desolator
- obeah doctor
- evapotranspirator
- identity functor
- indictor
- multispinor
- isoacceptor
- nagavator
- cyclobisintercalator
- khutor
- nonsponsor
- wobulator
- tail rotor
- yellow terror
- mechanosensor
- past anterior
- plasma accelerator
- decorticator
- nondoctor
- radioconductor
- nutator
- limiting factor
- alluminor
- salol-camphor
- hyperaccumulator
- excisor
- coactor
- insertor
- prætor
- unprotector
- biomonitor
- deduplicator
- reinvigorator
- sympathoinhibitor
- tauridor
- hyperreactor
- Melchior
- collocutor
- uncandor
- posteditor
- prognosticator
- vaticinator
- purple emperor
- officiator
- red liquor
- marketor
- emendator
- secondary color
- COMSUBFOR
- currency adjustment factor
- nihilator
- spark arrestor
- nonmeditator
- gigantoraptor
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.