polyhedra
abstract polyhedron
polytope
borderman
chug-chug
feudality
four-pounder
grayscale
gridwork
hanning
indivisibility
landholdings
lead-lined
linewidth
ofseveral
photoperiod
reassembling
subparagraph
timekeeping
town-plan
town-planning
trapezium
upswept
valency
octahedron
tetrahedron