Cockroach

3 clues
Insect
Archy, for one
Beetle-like insect
Similar answers:
Abovereproach
Acock
Aeproach
Agbellsandcockleshells
Alcock
Alfredhitchcock
Alfredmitchcock
Approach
Approachability
Approachable
Approached
Approaches
Approachmotel
Approachmotels
Babcock
Bacardicocktail
Ballcock
Barbarababcock
Bcock
Boarcocksheep