octagon
heptagon
septagon
undecagon
hendecagon
tetradecagon
decagon
tetrakaidecagon
hexagon
tridecagon
triskaidecagon
dodecagon
enneagon
nonagon
quindecagon
henagon
tetracontakaihexagon
hexadecagon
pentagon
icositrigon
octacontagon
enneadecagon
myriagon
heptadecagon
pentadecagon
kilogon
enneacontahexagon
hectogon
hexahectaenneacontakaiheptagon
isogon
octadecagon
heptacontagon
dihectagon
megagon
hexacontagon
enneacontagon
heptagonal
triacontakaitetragon
triacontatetragon
quadrilateral
tetracontagon
triacontagon
regular polygon
triacontadigon
heptangular
tetracontadigon
chiliagon
triangle
reentering polygon
reentrant polygon