Gogetters

4 clues
Type-A types
Eager beavers
Energetic achievers
Overachievers, and a hint to a word that can precede both words of the starred answers
Similar answers:
Abetters
Acquitters
Agoge
Agogetterram
Allthatglitters
Allthatlitters
Alphabetletters
Anagoge
Antipastoplatters
Artsandletters
Awlthatglitters
Babysitters
Babysixotters
Baseballbatters
Batters
Battersbox
Battersea
Batterseye
Battersgift
Betters