add "s" -- or "es" ?
change "y" to "i" and add "es" -- or NOT?
change the "f" to a "v" and add "es"-- or NOT?
after an "o" -- add "s" or "es" ?
Irregular plurals
100
block

blocks

100

baby

babies

100

elf

elves
100

hero

heroes

100

man

men

200

roll

rolls

200

city

cities

200
wolf

wolves

200

tomato

tomatoes
200

child

children

300

fox

foxes

300

puppy

puppies

300

hoof

hooves

300

potato

potatoes

300

deer

deer

400

wish

wishes

400

monkey

monkeysbabies

400

cliff

cliffs

400

zoo

zoos

400

moose

moose

500

batch

batches

500

play

plays

500

roof

roofs

500

video

videos

500
goose
geese