Chs

2 clues
Book parts: Abbr.
Parts of a book: Abbr.
Similar answers:
1piece
1sec
A1sauce
Aaaautoclub
Aaacell
Aac
Aacell
Aacells
Aachen
Aacid
Aahs
Aahsat
Aaice
Aamco
Aandppearincourt
Aarctic
Aaronburrconspiracy
Aaroncabotlodge
Aaroncarter
Aaroncopland