heptagonal

etymologically-related-terms

heptagon

septangle

septangular

same-contexts

antiferromagnetic

brasswork

carbonfund.org

close-packed

cubical

diamond-paned

dimensioning

dry dock

force-field

four-point

geodesic

hexagonal

icosahedral

isometric

non-physical

pentagonal

posteriori

rose-hung

spinel

tetrahedral

threedimensional

transdimensional

wide-flung