T1A1I1L1S1P3U1N1
10 points
TAILSPUN is validvalid
TAILSPIN, to spin headlong down toward earth [v]
TAILSPIN, to perform a kind of spin in an aeroplane [v]
TAILSPIN, to spin headlong down toward earth [v]
TAILSPIN, to perform a kind of spin in an aeroplane [v]