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