Page 1: discrimination, Pennsylvania, syllabication, commensalism, multiplication, trigonometry, extraordinary, cytoskeleton, representative, insignificant, acetylcholine, administrator, representation, gentrification, defenestration, administration, interpretation, paleontologist, schizophrenia, accommodating, hypothalamus, consanguinity, cosmetologist, electrolysis, classification, stoichiometry, parallelogram, accidentally, biochemistry, ridiculousness, irresponsible, telecommuting, expressionism, metamorphosis, foreshadowing, hallucinogens, communications, anachronistic, stultifying, administrative, abstemiousness, anthropology, anticlimactic, tyrannosaurus, trigonometric, mercantilism, accommodations, identicalness, presupposition, and accompaniment
This is a polysyllable words list.