Some words end in -fe, e.g knife (that is in singular) but when you turn it to a plural you write knives.
Words ending in f or fe change to ves in the plural form to follow English language patterns and provide consistency in spelling and pronunciation. This change helps maintain the correct pronunciation of the word when adding the plural ending.
Some words that end with the letters 'ves' are:adjectivesapprovesarrivesbelievescalvescaveschivesclovescravescurvesdeceivesdeservesdetectivesdissolvesdivesdovesdriveseaveselvesevesevolvesexecutivesexpletivesexplosivesfivesforgivesfugitivesgivesglovesgravesgrievesgroovesgroveshalvesheaveshiveshoovesimperativesimprovesincentivesinvolvesknaveskniveslaxitivesleaveslivesloaveslovesmotivesmovesnativesnegativesnervesobjectivesobservesoctavesolivesourselvespavespeevesperceivespositivespossessivespreservesprimitivesprovesravesreceivesrelativesrelievesrelivesremovesrepresentativesreservesresolvesretrievesrevivesrevolvesrovessavesscarvessedativesselvesservesshavessheavesshelvesshovessievesslavessleevessolvesstarvesstovesstrivesswervesthievesthriveswaveswiveswolves
The plural of wolf is wolves. The ending "f" becomes a "ves". Other words ending with the "f" sound (includeing "fe") become ""ves", as in Knfe becomes knives
safe-saves hoof-hooves wolf-wolves life-lives knife-kives
The rule for changing "fe" or "f" into "ves" is applied to pluralize certain nouns ending in "f" or "fe." For example, singular "leaf" becomes plural "leaves." This rule helps maintain proper grammar and spelling in English.
Some words ending in FE are:cafecarafechafefifegaffegiraffeknifelifesafestrifevouchsafewife
There are 13 words that have this form in plural. calf, half, knife, life, wife, elf, self, shelf, leaf, sheaf, thief, loaf and wolf. All words have the ending "ves" instead of "f" or "fe". 4 words have two plural endings. The words in these cases are able just to add a "s" onto their word instead of "ves". dwarf, hoof, scarf og wharf.
Some words that drop 'f' and add 'ves' to form their plural are: wolf (wolves), life (lives), leaf (leaves), knife (knives), and thief (thieves).
For certain nouns ending in -f or -fe, change the -f or -fe to -ves: knife > knives.
Nouns ending with -f or -fe (but not -ff or -ffe) replace the -f or -fe with -ves. Examples:calf; calveself; elveshalf; halveshoof' hoovesknife; knivesleaf; leavesloaf; loavesshelf; shelveswife; wiveswolf; wolvesThere are exceptions to this rule, for example:belief; beliefschef; chefschief; chiefsroof; roofsWhen in doubt which does change form and which just adds -s, consult a dictionary.
The plural of "sheaf" is "sheaves", with the -es ending.
Some examples of words ending in 'f' and 'fe' that is changed to 'ves' to form the plural are:calf - calveshalf - halveself - elveshoof - hoovesknife - knivesleaf - leaveslife - livesloaf - loavesself - selvessheaf - sheavesshelf - shelvesthief - thieveswife - wiveswolf - wolves