O1V4E1R1S1T1R1A1I1N1
13 points
OVERSTRAIN is validvalid
to strain excessively [v OVERSTRAINED, OVERSTRAINING, OVERSTRAINS]
to strain to excess [v -ED, -ING, -S]
to strain excessively [v OVERSTRAINED, OVERSTRAINING, OVERSTRAINS]
to strain to excess [v -ED, -ING, -S]