Common words:
* Bell
* Cell
* Fell
* Hell
* Shell
* Smell
* Tell
* Well
* Yell
Less common words:
* Barrel
* Connell
* Duvall
* Emell
* Fnell
* Gadell
* Haskell
* Jell (gelatin)
* Knell
* Lnell
* Mnell
* Nell (a girl's name)
* Pnell
* Quell
* Rell
* Snell
* Tnell
* Unell
* Vnell
* Wnell
* Xnell
* Yell
* Zell
Words ending in "-ell" as part of a larger word:
* Barrel
* Duvall
* Haskell
* Jell-O
* Quell
* Snell
This is not an exhaustive list, but it gives you a good starting point.
Please note that some words ending in "-ell" may have different pronunciations depending on their origin and meaning.