Mammoth Uncensored Word List:
186 words ending with is, 12 letters long

achromatosis acrocyanosis aeroneurosis agamogenesis amelogenesis anacatharsis anaerobiosis anamorphosis anaplasmosis androgenesis angiogenesis angiomatosis angiopoiesis appendicitis athrocytosis autohypnosis avitaminosis barophoresis bilharziasis bilharziosis biosynthesis blastocystis bromhidrosis cactoblastis caenogenesis cainogenesis cataphoresis cellulolysis cerebellitis chemiosmosis chemokinesis cladogenesis clitoriditis coenesthesis colpoxerosis cosmogenesis coxarthritis coxarthrosis craniostosis cryptobiosis crystallitis cyanogenesis cyclogenesis diphtheritis diplogenesis distichiasis douroucoulis dracontiasis dyskeratosis ectodermosis ehrlichiosis electrolysis encephalitis endocarditis endometritis enterobiasis enteroptosis epanorthosis epididymitis epiglottitis epimorphosis episcleritis fascioliasis fibrinolysis fibromatosis folliculitis furunculosis ganglionitis gastrodermis glucogenesis glycogenesis gonarthritis haematemesis haematolysis haemopoiesis hallucinosis hamarthritis hemarthrosis hemerocallis hemodialysis heterauxesis hidradenitis histogenesis homoeostasis hyperidrosis hyperkinesis hyperostosis hypnogenesis hypohidrosis hypohydrosis hypophysitis iliocostalis iliolumbalis interkinesis ionophoresis kainogenesis karyokinesis ketoacidosis kinaesthesis leucocytosis leucopoiesis leukocytosis leukopoiesis lithogenesis lymphangitis macrocytosis megatsunamis mesenteritis microcytosis misdiagnosis molybdenosis mononeuritis morphallaxis myofasciitis mythogenesis nephroptosis neurogenesis neuropoiesis nonsynthesis oesophagitis ophthalmitis orthogenesis orthotonesis osteogenesis osteoporosis otosclerosis overanalysis overemphasis paedogenesis palingenesis panarthritis pancreatitis paracentesis paraphimosis parapophysis parasynapsis pathogenesis pericarditis perichoresis perineuritis petrogenesis phagocytosis phlebostasis photokinesis phylogenesis phytogenesis pneumocystis podoconiosis polyhedrosis polymyositis polyneuritis postsynapsis presbyacusis presbycousis pseudocyesis psychognosis rachischisis rickettiosis sacroiliitis salpiglossis sarcomatosis schindylesis schwarmereis somaesthesis spaghettinis sporogenesis stereognosis strongylosis supraglottis svarabhaktis synaesthesis synarthrosis thrombolysis toxocariasis transgenesis trichiniasis trichuriasis trombidiasis trophallaxis trophobiosis tuberculosis uncinariasis ureterolysis urolithiasis vestibulitis zygapophysis