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306 words ending with on, 8 letters long

ablation ablution abortion abrasion abutilon acromion adaption addition adhesion adnation adoption advowson aeration affusion agnation allusion alluvion ambition antiphon aphelion audition aversion aviation avulsion betatron bevatron biathlon bigaroon bludgeon bouillon bourgeon cabochon calutron cannelon cardamon carillon cauldron chaldron chamfron champion chanfron chaperon cheveron chrismon cinnamon citation coaction coercion cohesion colophon conation cooption copatron cotillon crampoon creation cryotron decision decurion delation deletion delusion demotion derision deuteron devotion diapason diazinon dihedron dilation dilution diluvion diobolon dipteron disunion division dominion donation dotation doubloon duration dynatron eclosion ectozoon eduction effusion egestion ejection election electron emblazon emersion emission empoison emulsion enneagon entozoon envision equation erection erigeron eruption erythron estragon ethephon eudaemon eulachon evection eversion eviction evulsion exaction excision exertion falchion fanfaron fenthion fetation fixation flatiron flection flexagon forenoon fraction friction fruition function gambeson ganglion garrison gelation glucagon gnathion gombroon gonfalon gonfanon grandson graviton gridiron gueridon gumption gyration halation heptagon hereupon himation hypopyon ideation ignition ignitron illation illusion imprison inaction incision infixion infusion inhesion invasion iodation isochron jettison junction kakiemon kenotron klystron lavation laxation legation lenition lewisson libation ligation lobation location locution longeron lunation luncheon luxation macaroon magneton marathon martagon mastodon melodeon mesotron metazoon methadon mezereon mirliton misunion monition moufflon multiton munition mutation myrmidon napoleon natation negation negatron neuraxon nonunion notation noumenon novation nutation oblation oblivion occasion octoroon omission orthicon ostracon oversoon oxymoron pantheon papillon parergon pauldron pavilion pavillon pentagon petition picaroon plankton plastron plectron pleuston pliotron poltroon position positron potation preunion propylon prounion puncheon punition pupation question reaction rebutton recision relation religion remotion replicon reseason resummon revision rigadoon rigaudon rogation rotation sanction scallion scansion scission scorpion scullion sedation sedition shalloon simoleon skeleton smidgeon solation solution sorption southron spittoon sponsion spontoon squadron stallion stasimon stegodon sternson stiction sturgeon subtaxon sudation tarragon taxation teaspoon telethon tetragon thermion traction trillion trudgeon trunnion unbutton uncommon unperson unreason vacation venation vexation vigneron vocation volition volution zonation