Squareroot

3 clues
Math term
Two, to four
Calculator button
Similar answers:
Allsquare
Allsquaredup
Arcticsquare
Asquare
Backtosquareone
Bthereorbsquare
Businessquarter
Cakesquare
Centeringsquare
Checkerboardsquares
Cheroot
Cheroots
Chisquare
Citysquare
Clothesquarters
Countdownattimessquare
Cuberoot
Cuberoots
Eatsasquaremeal
Edibleroot