T1R1I1L1I1T1H4S1
11 points
TRILITHS is validvalid
TRILITH, a prehistoric structure of three large stones
TRILITH, (Greek) a stone monument of two upright and one transverse slab, also TRILITHON
TRILITH, a prehistoric structure of three large stones
TRILITH, (Greek) a stone monument of two upright and one transverse slab, also TRILITHON