enneagram
nonagon
octagon
heptagon
undecagon
hexagon
enneacontahexagon
octiamond
tessellation
dodecagon
poly
enneagon
stellation
trilateral
trigon
triangle
decagon
capping
subsimplex
equilateral triangle
equiangular triangle
hendecagram
dihedral group
basiconic
pentagon
regular prism
tetrakaidecagon
tetradecagon
quadrangle
Platonic solid
tetragon
stellated
quadrilateral
Kepler solid
googolgon
hendecagon
octagram
octahedron
nonahedron
pointel
hexahectaenneacontakaiheptagon
8-cell
enneacontagon
polygonal
pentacube
deltahedron
star
pentiamond
dodecagram
great cubicuboctahedron