Because that's the way it is and it can't be changed.
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 ending in o that form their plural by adding s only include: pianos, duos, solos, tacos.
Nouns ending in -y, preceded by a vowel are made plural by adding an -s. Examples: boys, toys, clays, trays Nouns ending in -y, preceded by a consonant are made plural by dropping the -y and adding -ies. Examples: babies, ladies, parties, armies.
Some examples of words ending in "s" and forming their plural by adding "es" are: bus - buses, glass - glasses, box - boxes, and bench - benches.
Nouns ending in 'y' that form the plural by adding 's' to the end of the word are those that have a vowel preceding the 'y'. Examples:turkey - turkeysmonkey - monkeysdonkey - donkeysway - waysboy - boysvalley - valleysjockey - jockeysplay - playskey - keystoy - toys
Some plural nouns that end with 'os' are:avocadosbanjosbarriosbongosechosegosflamingosghettosgigoloshaloshobosJellokangaroolassologosnachospatiosphotospianospiccolosradiosrhinossolosstudiostacostattoostriosvideoszeroszoos
Some words ending in o that form their plural by adding s only include: pianos, duos, solos, tacos.
Nouns ending in -y, preceded by a vowel are made plural by adding an -s. Examples: boys, toys, clays, trays Nouns ending in -y, preceded by a consonant are made plural by dropping the -y and adding -ies. Examples: babies, ladies, parties, armies.
As with most words ending with 'y', the plural is made by dropping the 'y' and adding 'ies' — so 'melodies' is the plural.
amazesapologizesbaptizesbrutalizesblazesbreezescrazescriminalizescustomizesdozesenergizesemphasizesfantasizesfreezesgazesgeneralizesglamorizeshazeshomogenizesmazesmemorizesnaturalizesoptimizesprizespopularizesrealizessanitizessizessummarizessterilizestheorizestraumatizestantalizestranquilizestrivializes
For an English plural, the answer is never. Some words ending in the letter 's' are made plural by adding 'es', such as one bus, two buses or one class, two classes.
the plural form of words ending in ss, like kiss, is just adding es (kisses) (sorry, kiss was the only word ending in ss i cud think of)
Nouns ending with -o that form the plural by adding -s to the end of the word are:autoscameoskangarooskilosmemosphotospianossolosstudiostattoosvideoszoos
In most cases, yes. Not in every case though... words ending in ch, x s or z get es added to form the plural, and for words ending in y, change the y to ies.
words ending in "e" just need an s adding to make them plural. bake - bakes fake - fakes lake - lakes...
Some examples of words ending in "s" and forming their plural by adding "es" are: bus - buses, glass - glasses, box - boxes, and bench - benches.
Cello > cellosDisco > discosRadio > radiosPhoto > photosPatio > patios
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