PS
thermocol
kaylite
polysemia
polysemousness
polyandrium
polyhexamethylenebiguanide
polyadenosinic
polyalkene
polytan
polyhedroid
Styrofoam
polycell
polyyne
polybutylene
hyperdactyly
polyketonic
multicystic
polydactyl
polytypical
pentosan
polyball
polyacidic
polyethene
polyandrian
polyspermia
polyriboinosinic
polykinetic
poly
agnomination
bristle worm
polyacetylenic
polyschematist
polysquare
acetogenin
polymerous
polypeptidyl
polyubiquitylated
polyandrism
Polypheme
polyribocytidylic
multiclonal
polylactate
polyptote
tetraptych
antipolyspermy
polycystine
polymatroid
multiphaser
polypurinic