What is the crossword answer for the clue: Nut case

BUR - a 3 letter word may be the answer you are looking for!

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!

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

SHELL - 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!

PSYCHO - a 6 letter word may be the answer you are looking for!

FRUITCAKE - a 9 letter word may be the answer you are looking for!

TOOLKIT - a 7 letter word may be the answer you are looking for!

Nut case

3 Character Answers:

BUR

4 Character Answers:

KOOK

LOON

5 Character Answers:

CRANK

SHELL

WACKO

6 Character Answers:

PSYCHO

7 Character Answers:

TOOLKIT

9 Character Answers:

FRUITCAKE