18 letter words See all 18 letter words
cubohemioctahedron
dodecadodecahedron
dyakisdodecahedron
hemi-cuboctahedron
hexakistetrahedron
maycausedrowsiness
octahemioctahedron
pentadodecahedrons
tetrakaidecahedron
tetrakaidekahedron
tetrakishexahedron
triakisoctahedrons
triakistetrahedron