nit·wit 
(nĭtwĭt′)
(nĭtwĭt′)n.
A stupid or silly person.
[Probably obsolete nit, nothing (from German dialectal, from Middle High German niht, nit; see NIX2) + WIT1.]
- certification
- certificatory
- certified check
- Certified Mail
- certified nurse assistant
- certified public accountant
- certifier
- certify
- certiorari
- certitude
- cerulean
- ceruloplasmin
- cerumen
- ceruminous
- ceruse
- cerussite
- Cervantes Saavedra
- cervellière
- cervic-
- cervic-
- cervical
- cervical cap
- cervices
- cervicitis
- cervico-