Show:
-s /s/
-s /z/
-es /iz/
-ed /t/ or /d/
-ed /id/
100

cat

cats

100

dog

dogs

100

fox

foxes

100

kiss

kissed

100

hunt

hunted

200

snack

snacks

200

plug

plugs

200

crush

 crushes

200

help

helped

200

plant

planted

300

stomp

stomps

300

egg

eggs

300

branch

branches

300

buzz

buzzed

300

blend

blended

400

backpack

backpacks

400

napkin

napkins

400

witch

witches

400

famish

famished

400

frustrate

frustrated

500

blanket

blankets

500

reptile

reptiles

500
redress

redresses

500

remove

removed

500

insist

insisted