Tics

13 clues
Spasms
Quirks
Fixations
Mannerisms
Obsessions
Muscle spasms
Peculiarities
Idiosyncrasies
Some contractions
Behavioral quirks
Some facial features
Eccentric mannerisms
Involuntary contractions
Similar answers:
Aaarating
Aaatriptik
Aameeting
Aameetings
Aanti
Aarctic
Abacs
Abating
Abatis
Abatises
Abattis
Abbatial
Abbreviating
Abbreviation
Abbreviations
Abcdaytimehosts
Abcs
Abcsports
Abducktion
Abducting