dodecagon
undecagon
octagon
nonagon
heptagon
tetrakaidecagon
tetradecagon
hexagon
hendecagon
tridecagon
triskaidecagon
hexadecagon
quindecagon
trigon
triangle
trilateral
enneagon
pentadecagon
decagon
septagon
myriagon
pentagon
many-sided
icositrigon
tetracontakaihexagon
heptadecagon
equilateral triangle
equiangular triangle
hectogon
enneadecagon
hexacontagon
icosagon
polygonal
tetracontagon
hexahectaenneacontakaiheptagon
icosihenagon
icosidigon
icosikaidigon
enneacontahexagon
poly
tetragon
quadrangle
quadrilateral
dodecagonal
triacontadigon
heptacontagon
tessellation
megagon
enneacontagon
pentacontagon