Mammoth Uncensored Word List:
127 words ending with rs, 15 letters long

absorptiometers airconditioners antifilibusters astronavigators autobiographers benzoxycamphors biosynthesizers braunschweigers bronchodilators cathodographers chimneysweepers circumferentors coinvestigators complementisers complementizers conceptualisers conceptualizers concertmeisters conglomerateurs counterplotters counterpunchers dactylographers daguerreotypers decommissioners decontaminators demisemiquavers demythologisers demythologizers denitrificators differentiators diffractometers diospyrobezoars disarticulators draughtproofers epigrammatisers epigrammatizers excommunicators geothermometers gewurztraminers grammaticasters gyrostabilisers gyrostabilizers haemacytometers haemocytometers heresiographers heterotetramers hydroextractors hydrogrossulars individualisers individualizers interconnectors interferometers intervalometers kindergarteners metallographers microprocessors microprojectors micropublishers micropyrometers millivoltmeters misinterpreters misrepresenters multiprocessors nebuchadnezzars nonfirefighters nonhouseholders nonphilosophers nonsympathizers nonsynthesizers northeasterners northwesterners ophthalmometers oversubscribers particularisers particularizers pharmacobezoars philosophasters photoconductors photoinitiators platitudinisers platitudinizers postmultipliers preconditioners predistributors pressoreceptors pressurecookers procrastinators prognosticators prosopographers psychoanalysers psychoanalyzers pyrophotometers radioprotectors radiotelemeters remanufacturers retroreflectors revolutionisers revolutionizers rheogoniometers rhombenporphyrs rhyparographers schlockmeisters scintillometers scratchbuilders scratchproofers shatterproofers shillyshalliers snippersnappers southeasterners southwesterners spectaclemakers steganographers strabismometers subheadquarters superconductors syphilographers teletypewriters thermoreceptors transliterators transmogrifiers troubleshooters turbogenerators verticillasters vexillographers vicechancellors weatherproofers whippersnappers