Mammoth Uncensored Word List:
257 words ending with ts, 15 letters long

absorbefacients abstractionists accomplishments acknowledgments aerodynamicists aggrandisements aggrandizements anthropologists anticapitalists anticonvulsants antidepressants antifederalists antimanagements antimilitarists antimonarchists antimonopolists antinuclearists antiperspirants antiseparatists apprenticements archaeometrists archeobotanists aromatherapists arrondissements associationists astrobiologists astrogeologists astrophysicists autotransplants bacteriologists bioregionalists biosystematists bouleversements bronchoscopists chalcographists chemosterilants chemotherapists chromatologists citriculturists constructivists continentalists contraindicants convocationists cooperationists correligionists counterassaults countercurrents counterprojects counterprotests countersubjects cruciverbalists cryoprotectants cryptographists cyberterrorists cytogeneticists cytotaxonomists destructionists dialectologists disappointments disarrangements disconcertments discontentments discouragements disemboguements disembowelments disempowerments disenchantments disenthralments disentrainments disfeaturements disfurnishments disgruntlements disheartenments displenishments dissolutionists divertissements dysteleologists ecclesiologists educationalists electrochemists electrodeposits empoverishments encyclopaedists epidemiologists epistemologists existentialists explorationists extinguishments floriculturists fluegelhornists foreordainments fundamentalists geohydrologists grammatologists harpsichordists hepaticologists homotransplants horticulturists hydrobiologists hydrogeologists hydrotherapists hypermodernists hypnotherapists hypochondriasts iatromechanists iatrophysicists ichthyophagists immunoassayists impoverishments incrementalists indifferentists inquisitionists inspirationists integrationists interactionists intertwinements interweavements intuitionalists kremlinologists labyrinthodonts laryngoscopists legerdemainists lexicographists lipogrammatists lithontriptists liturgiologists massotherapists metafictionists microbiologists microcomponents microcontinents ministerialists misarrangements miscontentments misimprovements mismeasurements monopropellants morphographists narcoterrorists neocolonialists neuroanatomists neurobiologists neuroscientists nonachievements nonbelligerents nondevelopments nonenforcements nonfulfillments noninstallments noninvolvements nonobjectivists nonparticipants nonpathologists nonrecombinants obstructionists oncogeneticists operationalists opthalmologists organographists overadjustments overassessments overcommitments overinvestments overrefinements palaebiologists palaeobotanists palaeographists paleobiologists paleoecologists paleomagnetists paleontologists paleozoologists pantisocratists paragrammatists parasitologists perfectibilists perinatologists petrophysicists pharmacologists pharmacopoeists pharmacopolists pharyngologists philanthropists photobiologists photogeologists pisciculturists pneumatologists postadolescents preappointments prearrangements predevelopments preendorsements premeasurements prerevisionists prescriptivists probabiliorists progressionists prohibitionists proportionments prosthodontists prothonotariats protistologists protozoologists psilanthropists psycholinguists pteridophilists punctuationists pyramidologists quattrocentists radiobiologists radiobroadcasts radiotherapists reappraisements recommencements reformationists relinquishments repudiationists requisitionists reservationists restitutionists restorationists restrictionists retaliationists rheumatologists rontgenologists sacramentalists segregationists selenographists semiretirements sensationalists sentimentalists shadowgraphists silviculturists sociobiologists spectroscopists straightjackets stratigraphists subdevelopments subproletariats substantialists superabsorbents supercontinents superintendents telejournalists teratogenicists territorialists traditionalists transfusionists tripersonalists ultramodernists ultramontanists underrepresents understatements vivisectionists watercolourists xenotransplants zoophytologists