irregular
quadrilateral
trapezoid
trapezia
carpal
carpal bone
multiple star
quadrangle
tetragon
wrist bone
trapeze
trapeziform
trapezius
break
cabochon
chug-chug
collapsar
contrapuntist
corrugations
eremite
ex-terrorist
feudality
headliner
knothole
landholdings
outpour
photoperiod
polyhedron
reassembling
rhombus
scrim
timekeeping