Here are some examples:
* -sh: bush - bushes, wish - wishes, brush - brushes
* -ch: church - churches, bench - benches, match - matches
* -x: box - boxes, fox - foxes, tax - taxes
* -z: buzz - buzzes, quiz - quizzes,
Exceptions:
* Nouns ending in -ch that have a "k" sound take a regular "-s" plural: stomach - stomachs, monarch - monarchs
* Nouns ending in -s, -ss, -sh, -ch, -x, or -z that are already plural don't change: glasses, scissors, pants
Let me know if you'd like to explore any other pluralization rules!