Common Nouns:
* Church
* Bench
* Match
* Peach
* Lunch
* Coach
* Stretch
* Witch
* Catch
* Branch
* Search
* March
* Lunch
Less Common Nouns:
* Hitch
* Stitch
* Breach
* Clutch
* Fetch
* Poach
* Snatch
* Wretch
* Lynch
Proper Nouns:
* Bosch (a brand of power tools)
* Koch (a family name)
* Butch (a nickname)
Note: While some words ending in "ch" are singular nouns, some are plural (e.g., "branches", "witches").