Mammoth Uncensored Word List:
224 words ending with is, 11 letters long

abiogenesis adenoiditis adenomyosis agranulosis alcoholysis ammonolysis amphigouris amyloidosis anadiplosis anaesthesis anagnorisis anaphoresis anaphylaxis anaplerosis anastomosis anthracosis antiphrasis antipyresis aponeurosis apophysitis aposiopesis archaeornis arthrodesis atelectasis autogenesis autokinesis avoirdupois bacteriosis barramundis berylliosis biocoenosis blepharitis bromidrosis brucellosis burramundis candidiasis caryopteris catachresis cellentanis cenesthesis cenogenesis certioraris chemosmosis cholangitis cholecystis cholestasis choroiditis coatimundis coccidiosis colpoptosis cytogenesis cytokinesis devanagaris diaphoresis diapophysis diarthrosis ecblastesis ectogenesis emphyteusis enarthrosis endocytosis endomitosis enzymolysis epanalepsis eremacausis esophagitis frangipanis frontolysis gamogenesis gliomatosis gnotobiosis gynogenesis haemoptysis haemostasis hematemesis hematolysis hemiparesis hemopoiesis heterolysis heterotaxis homeostasis homogenesis homozygosis hylogenesis hyperacusis hyperemesis hyperinosis hypoglottis hypokinesis hypotyposis ichthyornis iconostasis ileocolitis jaguarondis jaguarundis kenogenesis ketogenesis kinesthesis kowhaiwhais lipogenesis lipomatosis listeriosis lumbricalis makunouchis mastoiditis megalopolis melioidosis merogenesis metachrosis metagenesis metanalysis metaphrasis millefioris mingimingis misanalysis misemphasis mitogenesis monoblepsis monocytosis monogenesis mutagenesis myocarditis mythopoesis myxomatosis myzocytosis natriuresis nearthrosis necrobiosis necropoleis nephrolepis nocardiosis nondialysis oncogenesis ontogenesis onycholysis orbicularis orthopraxis osteoclasis pakirikiris parablepsis paragenesis paraleipsis paraparesis paraphraxis parasitosis parenthesis parotiditis pediculosis pedogenesis perigenesis periostitis periphrasis peristalsis peritonitis pharyngitis phthiriasis phyllotaxis piccalillis pinocytosis plasmolysis pleurodesis pneumonitis polygenesis predialysis presbycusis presynapsis prophylaxis prostatitis proteolysis psittacosis pyarthrosis pyrokinesis raiyatwaris resynthesis salmagundis salpingitis sarcocystis sarcoidosis satyagrahis scallopinis sclerotitis shakuhachis sharawadgis sharawaggis shigellosis somesthesis spermacetis spirillosis spondylitis spondylosis staphylitis steatolysis stephanotis stereotaxis stylostixis synanthesis synchoresis syndesmosis synoeciosis synosteosis syssarcosis taboparesis tagliarinis technopolis telekinesis thanatopsis therapeusis thermolysis thermotaxis thigmotaxis thyroiditis tonsillitis tortellinis torticollis trichinosis trophotaxis utriculitis vermicellis vesiculitis xenogenesis xerotripsis yersiniosis zygomycosis zymogenesis