Assertion: proper noun's noun | /r/CapableOf | end in fe
Facets:
Source sentences:
text: If a noun ends in 'f' or 'fe', to make the noun plural the 'f' or 'fe' turns to 'ves': 'calf' turns to 'calves' and 'knife'
text: If a singular noun ends with 'f' or 'fe', change the 'f' into 'v' and add 'es' to make it plural.