Mammoth Uncensored Word List:
38 words ending with t, 17 letters long

anaesthesiologist antiestablishment biostratigraphist congregationalist constitutionalist conversationalist counterdeployment countergovernment counterstrategist deconstructionist ethnomusicologist fractoluminescent hydrometallurgist immunofluorescent immunopathologist immunosuppressant lepidopterologist lumpenproletariat neurophysiologist neuropsychiatrist neuropsychologist neurotoxicologist nonanthropologist noncooperationist nonfundamentalist noninterdependent nonrelinquishment nontraditionalist orthopsychiatrist overembellishment postimpressionist postmillennialist preacknowledgment psychopathologist reconstructionist redistributionist thermoluminescent transcendentalist