Mammoth Uncensored Word List:
223 words ending with us, 6 letters long

abacus acarus acinus adieus aeneus airbus almous animus aureus aurous awmous bantus bayous bijous buchus buckus bundus bupkus bussus byssus cactus callus campus cantus carpus caucus census cercus cereus cerous cestus chiaus chirus chorus cippus circus cirrus cissus cistus citrus clavus clonus coccus coitus coleus comous cormus cornus corpus corvus costus cottus coypus crocus cultus cuneus cursus cuscus cyclus cymous cyprus dingus discus doofus dumous erinus estrus exodus famous favous fichus flatus foetus fondus fucous fumous fundus fungus gallus gaupus gawpus genius glomus gradus gyrous haikus hamous hiatus hippus houmus hummus humous iambus iodous jambus joyous juncus kanzus kombus konbus kudzus lacmus lapsus lassus limbus limous litmus lituus lupous mancus mawpus meatus medius miaous missus miurus modius morbus mucous muntus mythus naevus nairus nandus nikaus nimbus nodous noyaus noyous obelus obolus oculus odious opulus osmous palpus pannus pappus pareus parous passus peplus perdus pignus pikaus pilaus pileus pilous plexus poilus ponzus porous poyous prahus primus prunus pullus quipus radius ramous rectus regius rhesus rictus rimous ruckus rufous rugous rumpus ruscus sadhus sajous saltus samfus sansus sargus scapus serous setous shamus shoyus snafus soleus sorbus status stylus succus sulcus tahous tarsus tatous tellus tendus tholus thymus timous tophus torous tragus tuktus typhus uhurus uraeus urubus uterus uveous valgus venous versus vertus villus vinous virous virtus viscus vodous vulgus walrus wammus wampus wushus xystus zanzus