singular - plural 3

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hatshat

glassglasses

wolfwolves

trainstrain

salmonsalmon

babybabies

seassea

proofsproof

watcheswatch

enemiesenemy

foxesfox

actoractors

calvescalf

toytoys

horsehorses

schoolsschool

cliffscliff

librarylibraries

donkeysdonkey

valleyvalleys

keyskey

waspswasp

watchwatches

licelouse

carcars

filmfilms

actressactresses

armiesarmy

lorrylorries

storiesstory