D2I1S1T1I1N1G2U1I1S1H4I1N1G2
20 points
DISTINGUISHING is validvalid
DISTINGUISH, [v DISTINGUISHED, DISTINGUISHES, DISTINGUISHING] : DISTINGUISHABLE [v]
DISTINGUISH, to perceive a difference in [v]
DISTINGUISH, [v DISTINGUISHED, DISTINGUISHES, DISTINGUISHING] : DISTINGUISHABLE [v]
DISTINGUISH, to perceive a difference in [v]