Common words:
* Committee
* Guarantee
* Guarantee
* Entrée
* Fête
* Sleepee (informal)
* Tee (as in golf)
* Trainee
Less common words:
* Abbottee
* Acquittee
* Addressee
* Appointee
* Assignee
* Attendee
* Debenturee
* Employee
* Fiancée
* Nominee
* Referee
* Trustee
* Understudy
Informal/slang words:
* Snootee (slang for a person who is arrogant)
* Hottie (slang for an attractive person)
Let me know if you'd like more examples!