sky
skies
Which rule would you use to write the plural of "banjo"?
Rule 4 (banjoes)
fox
foxes
glass
glasses
tornado
tornadoes
bench
benches
Which rule would you use to write the plural of "toothbrush?"
Rule 3 (toothbrushes)
Which rule would you use to write the plural of "city"?
Rule 2 (cities)
Which rule would you use to write the plural of "donut?"
Rule 1 (donut)
rash
rashes
firefly
fireflies
rock
rocks
day
days
cake
cakes
flamingo
flamingoes