S1O1M3E1R1S1E1T1
10 points
SOMERSET is validvalid
to roll the body in a complete circle, head over heels [v SOMERSETED, SOMERSETING, SOMERSETS, SOMERSETTED, SOMERSETTING]
to make a leap in which a person turns his heels over his head and lights upon his fee, also SOMERSAULT, SUMMERSAULT, SUMMERSET [v SOMERSETED or SOMERSETTED, SOMERSETING or SOMERSETTING, SOMERSETS]