Mammoth Uncensored Word List:
322 words ending with us, 7 letters long

abortus acajous acerous acetous acinous aculeus adipous aeneous aerobus agamous alumnus amadous amorous angelus annulus anurous anxious apercus apodous apthous aqueous arbutus archeus arduous arenous argulus arillus atheous atokous autobus azotous azygous azymous badious bejesus bhikhus bilious binious bivious boletus bonasus boubous brumous bulbous bulimus bullous bureaus burnous cachous caestus calalus calamus callous canthus carduus carious carolus caseous celcius celsius cereous cesious choreus churrus chylous chymous cirrous citrous clypeus coccous colobus colonus conatus congius congous copious corious cormous corylus coypous cubitus cumulus cuprous curious cyathus cytisus databus dedimus defocus detenus devious dubious duteous echinus embolus emulous envious ephebus estrous euripus famulus fatuous featous ferrous fibrous fidibus floccus folious fractus fulvous fumulus fungous furious fuscous gagakus gallous gaseous gateaus gealous gibbous gladius glebous globous gluteus gomokus grampus grugrus grumous gummous habitus halitus hamulus hapukus heinous helibus herbous hideous houmous hugeous humerus hydrous icterus igneous iliacus impetus impious incubus ingenus invious isthmus jabirus jacchus jacobus jealous karamus kashrus kikuyus landaus lentous leprous limbous limulus linctus lobulus loculus luteous madafus mahewus makutus malleus manitus mevrous milieus mimulus minibus minimus modulus muumuus mzungus nacrous nervous nhandus nilgaus nimious niobous nitrous niveous nocuous nonplus noxious nucleus obvious ocellus ochrous octopus odorous oestrus ominous omnibus onerous onymous opacous ormolus osmious osseous ozonous pappous papyrus parlous pegasus pelorus peritus perlous petasus petrous phallus phoebus piceous pileous pillaus pistous piteous piupius playbus plumous pluteus polypus pompous portous postbus priapus proteus pulpous pylorus pyropus quietus quippus railbus rameous ramulus raucous refocus regulus reseaus rhabdus rhamnus rhodous rhombus ricinus riotous roucous routous rubious ruinous saddhus samshus sanctus sanious sarcous sardius scyphus serious seropus shinjus silenus simious sinuous solidus soukous spinous spumous stratus sturnus subfeus succous surplus talcous tamanus tedious teledus tenuous tertius tetanus thallus thiasus thyrsus timeous titulus torulus totanus tractus trismus trochus troilus tumulus typhous uberous umbrous uncinus unfocus urachus uranous urinous usurous vacuous vagitus valgous various veinous vicious vidimus viduous villous viscous vomitus voudous whanaus xenopus ynambus zealous ziffius zincous