| Word | 3singular | 3singular Alternative |
|---|---|---|
| focus | focuses | focusses |
| dare | dare | dares |
| ski | skis | skies |
| bus | busses | buses |
| bias | biases | biasses |
| rendezvous | rendezvous | rendezvouses |
| curtsey | curtseys | curtsies |
| taxi | taxies | taxis |
| sleepwalk | sleepwalks | sleepswalk sleepswalks |
| bivouac | bivouacs | bivouacks |
| refocus | refocuses | refocusses |
| aks | aks | akses |
| wuv | wuvz | wuvs |
| præsume | præsumes | præsumeth |
| mishave | mishas | mishaves |
| to and fro | tos and fros | to and fros |
| degas | degases | degasses |
| surplus | surpluses | surplusses |
| unbias | unbiases | unbiasses |
| prefocus | prefocuses | prefocusses |
| rock and roll | rocks and rolls | rock and rolls |
| veg | vegs | veges |
| jump rope | jumps rope | jump ropes |
| hocus | hocuses | hocusses |
| RV | RVs | RV's |
| caucus | caucuses | caucusses |
| kayo | kayos | kayoes |
| self-focus | self-focuses | self-focusses |
| hillo | hillos | hilloes |
| stucco | stuccoes | stuccos |
| ID | IDs | ID's |
| necro | necroes | necros |
| micro | micros | microes |
| plus | pluses | plusses |
| hallo | hallos | halloes |
| halloo | halloos | hallooes |
| aunswer | aunswers | aunswereth |
| aggro | aggros | aggroes |
| defocus | defocuses | defocusses |
| circus | circuses | circusses |
| hafta | hasta | hafta |
| omnibus | omnibuses | omnibusses |
| midwife | midwives | midwifes |
| outgas | outgases | outgasses |
| unfocus | unfocuses | unfocusses |
| misfocus | misfocuses | misfocusses |
| debias | debiases | debiasses |
| BMX | BMXs | BMXes |
| enhalo | enhalos | enhaloes |
| sgraffito | sgraffitos | sgraffitoes |
| gas | gases | gasses |
| autofocus | autofocuses | autofocusses |
| præserve | præserves | præserveth |
| overfocus | overfocuses | overfocusses |
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.