11 letter words ending with an in the mammoth censored word list.

abecedarian academician acoustician aircraftman alcyonarian anchorwoman antiquarian antithalian arthropodan assemblyman asteroidean bleacherman breatharian bushelwoman businessman callipygean callipygian calypsonian camerawoman campestrian carrageenan caryatidean centenarian centimorgan ceratopsian chiropteran churchwoman clergywoman clostridian coleopteran collembolan congressman coprophagan cordilleran cornucopian cosmetician counterplan craftswoman crocodilian crossbowman ctenophoran deliveryman dermapteran dignitarian dinophycean dinosaurian discophoran dorsomedian draftswoman draughtsman educabilian egalitarian electrician eleutherian enneandrian esthetician fisherwoman flexitarian foremastman frenchwoman frontierman fustilarian fustilirian gallinacean gastropodan gentilitian gentlewoman glasnostian glucomannan gregarinian guildswoman hardwareman heteroscian heterousian hexaplarian holothurian homoiousian humgruffian hyperborean hyperdorian hyperlydian hypoaeolian hypospadian hyracoidean icosandrian infantryman infieldsman infirmarian islandwoman lacertilian lessetarian libertarian lilliputian logistician luckengowan madreporian madrigalian magnetician malapropian manganesian mechanician megatherian merchantman mesoarchean metatherian microradian microzymian millenarian milliradian monocardian monomyarian myrmidonian mythologian myxophycean necessarian needlewoman nematoceran neuropteran nonartesian nonmagician nonmusician nonpartisan nonpartizan nonriparian nonsuburban nullifidian ombudswoman orthopteran outdoorsman oysterwoman pandemonian panomphaean pantrywoman patrolwoman penetralian pentagynian pentandrian pericardian peripeteian pescetarian petrarchian philologian phlogistian phonetician pinnipedian plantswoman plecopteran plumularian pointswoman policewoman pollotarian polyphagian polyurethan pornotopian postexilian prefreshman preterhuman procrustean proletarian purgatorian pythagorean radiolarian rastafarian refectorian repairwoman rhetorician sabbatarian sagittarian saturnalian saurischian sauropsidan scincoidian selenopyran semantician semiotician sertularian sigillarian silvestrian spinsterian splitterman spokeswoman sportswoman springclean stateswoman stelleridan subchairman subtacksman sylvestrian syndyasmian synthespian tetragynian tetrandrian tetrapteran theatrician trachearian tradeswoman transandean trencherman tribeswoman tribunician tribunitian trinitarian ulvophycean unchristian unsectarian utilitarian volvocalean washerwoman yachtswoman zoantharian zoroastrian