REGULAR AND IRREGULAR PLURAL NOUNS

a) song--songs

The plural of most nouns is formed by adding final -s.

b) box-- boxes

Final -es is added to nouns that end in -sh, -ch, -s, -z, and -x.

c) baby--babies

The plural of words that end in a consonant + -y is spelled -ies.

d) man- men    ox-oxen    tooth-teeth    woman- women    foot- feet    mouse-mice    child- children    goose-geese

These nouns have irregular plural forms that do no end in -s.

e) echo-echoes    potato-potatoes    hero-heroes    tomato-tomatoes.

Some nouns that end in -o add -es to form the plural. 

f) auto- autos    photo- photos    studio-studios    ghetto- ghettos    piano-pianos    tatto-tatoos

kangaroo- kangaroos            radio- radios        video- videos        kilo- kilos        solo- solos        zoo- zoos

memo- memos        soprano-  sopranos

g) memento- mementoes, mementos        volcano- volcanoes, volcanos        zero- zeroes, zeros

mosquito- mosquitoes, mosquitos        tornado- tornadoes, tornados

h) calf- calves    life- lives    thief- thieves    half- halves        self- selves    loaf- loaves    wolf- wolves    knife- knives

scarf- scarves/scarfs    leaf- leaves    shelf- shelves

i) belief- beliefs    cliff- cliffs    chief- chiefs    roof- roofs