What is the crossword answer for the clue: Nut job

KOOK - a 4 letter word may be the answer you are looking for!

LOON - a 4 letter word may be the answer you are looking for!

SICKO - a 5 letter word may be the answer you are looking for!

WACKO - a 5 letter word may be the answer you are looking for!

HEADCASE - a 8 letter word may be the answer you are looking for!

Nut job

4 Character Answers:

KOOK

LOON

5 Character Answers:

SICKO

WACKO

8 Character Answers:

HEADCASE