Regular nouns: (-s)* To make regular nouns plural, add ‑s to the end.
Examples:
cat – cats
dog - dogs
house – houses
Regular nouns: (-es) "hissing sound"
* If the singular noun ends in ‑s, -ss, -sh, -ch, -x, or -z, add ‑es to the end to make it plural.
Examples:
bus – buses
marsh – marshes
lunch – lunches
tax – taxes
blitz – blitzes