-ss + -es
class
classes
tomato
tomatoes
coach
coaches
brush
brushes
index
indexes
guess
guesses
potato
potatoes
fetch
fetches
bush
bushes
fox
foxes
dress
dresses
torpedo
torpedoes
catch
catches
clash
clashes
box
boxes
press
presses
hero
heroes
peach
peaches
crash
crashes
toss
tosses
mosquito
mosquitoes
match
matches
blush
blushes