Tick

15 clues
Beat
Mite
Acarid
Parasite
Time piece
Backbiter?
Clock sound
Watch word?
Tiny arachnid
Little sucker?
Bloodsucking bug
Little bloodsucker
Bloodsucking insect
Blood-sucking insect
Lyme disease transmitter
Similar answers:
Aaarating
Aaatriptik
Aameeting
Aameetings
Aanti
Aarctic
Aaroneckhart
Aback
Abackseat
Abackwardpoet
Abating
Abatis
Abatises
Abattis
Abbatial
Abbreviating
Abbreviation
Abbreviations
Abcdaytimehosts
Abckids