S1T1R1A1I1G2H4T1E1N1I1N1G2
18 points
STRAIGHTENING is validvalid
STRAIGHTEN, [v STRAIGHTENED, STRAIGHTENING, STRAIGHTENS] : STRAIGHTENER [v]
STRAIGHTEN, to make straight [v]
STRAIGHTEN, [v STRAIGHTENED, STRAIGHTENING, STRAIGHTENS] : STRAIGHTENER [v]
STRAIGHTEN, to make straight [v]