* Been (past participle of "be")
* Seen (past participle of "see")
* Breeder
* Freeder
* Greener
* Sleeper
* Sweeter
* Steeper
* Weeper
Keep in mind that there are other ways to spell the short "e" sound, such as "ea" in "bread" or "e" in "bed". It's important to learn each word individually!