Alioth

2 clues
Big Dipper star
Star in the handle of the Big Dipper
Similar answers:
Aalii
Aaline
Aaliyah
Ablepersonality
Abother
Aboveallothers
Abrother
Abrothertheres
Absenceofalice
Absenceofmalice
Acaliberplusacaliber
Aclothingstorewhere
Actualists
Actualities
Actuality
Actualize
Acumenbrother
Acutaboveothers
Adamsalive
Adazelikenoother