Ending in "s":
* Nouns ending in "-s" as a plural:
* cats
* dogs
* trees
* books
* chairs
* Nouns ending in "-s" as singular:
* bus
* gas
* kiss
* class
* mess
Ending in "ch":
* Nouns ending in "-ch" as a singular:
* beach
* church
* lunch
* patch
* bench
* Nouns ending in "-ch" as a plural:
* branches
* coaches
* matches
* stitches
Ending in "x":
* Nouns ending in "-x" as a singular:
* box
* fox
* tax
* fix
* mix
* Nouns ending in "-x" as a plural:
* boxes
* foxes
* taxes
* fixes
* mixes
Remember: Not all nouns ending in "s", "ch", or "x" follow these patterns. There are some exceptions. For example, "bus" is a singular noun, even though it ends in "-s".