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.]
- interleave
- interleukin
- interleukin-1
- interleukin-2
- interleukin-3
- interlibrary
- interline
- interline
- interlinear
- interlineation
- Interlingua
- interlingual
- interlingually
- interlining
- interlink
- interlock
- interlocution
- interlocutor
- interlocutory
- interlope
- interloper
- interlude
- interlunar
- intermarriage
- intermarry