I1N1V4I1G2I1L1A1T1I1N1G2
17 points
INVIGILATING is validvalid
INVIGILATE, [v INVIGILATED, INVIGILATES, INVIGILATING] : INVIGILATION [v]
INVIGILATE, to keep watch; esp. to supervise students at an examination [v]
INVIGILATE, [v INVIGILATED, INVIGILATES, INVIGILATING] : INVIGILATION [v]
INVIGILATE, to keep watch; esp. to supervise students at an examination [v]