Mammoth Uncensored Word List:
255 words ending with is, 10 letters long

aerobiosis alveolitis amanuensis amelanosis amoebiasis ampelopsis amphimixis amylolysis anagenesis anatripsis anchylosis angolensis anhidrosis anhydrosis antalkalis antiaditis antibiosis antisepsis antithesis aphaeresis apotheosis aquafortis asbestosis ascariasis ateleiosis babesiasis babesiosis bagassosis bahuvrihis barognosis beaujolais bhikkhunis biocenosis biogenesis biopoiesis bonamiasis braaivleis brachyaxis bronchitis bummalotis buttinskis byssinosis cacochylis calcinosis calliopsis capsulitis carcinosis carnarolis cataclasis catastasis catechesis cellulitis cephalitis cerebritis cervicitis chaprassis charivaris chemotaxis chiyogamis chondritis clitoritis comitadjis corylopsis cosmopolis cystinosis dactylitis deemphasis dendrophis dermatitis dermatosis dermititis diagenesis diakinesis diapedesis diastalsis diorthosis douppionis duodenitis dysgenesis dysostosis dziggetais ecchymosis echopraxis ecphonesis ecthlipsis enantiosis encopresis endodermis endosmosis endostosis epenthesis epexegesis epididymis epigenesis epiglottis exocytosis fettucinis fibrositis filariasis fontinalis garibaldis giardiasis gingivitis glycolysis granulosis haematosis haemolysis haramzadis heliotaxis hemoptysis hemostasis histolysis horiatikis hydrolysis hydrotaxis hypodermis hypophysis hypostasis hypothesis hysteresis hysteritis ichthyosis jaborandis kalamkaris kaolinosis karyolysis kathakalis kundalinis lamaserais laryngitis leontiasis leylandiis lilangenis lipoidosis maccaronis maharishis manicottis marmarosis matagouris meconopsis meibomitis meningitis metalepsis metaplasis metastasis metathesis metecdysis metropolis microminis micropenis micropolis molybdosis moniliasis myogenesis myringitis necrolysis necropolis neogenesis neurolysis neuronitis noogenesis oliguresis ololiuquis oophoritis ornithosis orogenesis osmidrosis osteolysis otomycosis oxyuriasis ozonolysis pancolitis pangenesis papillitis parabiosis paraenesis paragnosis paralipsis paraphysis parapraxis parathesis parcheesis patchoulis pentapolis pepperonis periegesis pholidosis photolysis phototaxis pityriasis pollenosis pollinosis portcullis postcrisis potpourris proairesis procrypsis proglottis prosthesis pterylosis pustulosis pyogenesis radiolysis reanalysis reemphasis satyriasis scleriasis scungillis shibuichis sialidosis solvolysis spaghettis stereopsis stomatitis subglottis superminis synaeresis synderesis syneidesis syngenesis synostosis syntenosis synteresis syringitis targetitis telegnosis tendinitis tendonitis tetrapolis thanatosis thrombosis tokoloshis tonsilitis topagnosis tracheitis trichiasis tropotaxis tympanitis uranalysis ureteritis urethritis urinalysis uropoiesis valvulitis vanaspatis vasculitis vichyssois waribashis waterzoois wharepunis zamindaris zemindaris zincolysis zoogenesis zoothapsis