15-Letter Words Ending in US

There are 38 15-letter words that end in US. 3 are common words, such as CONTEMPORANEOUS and DISADVANTAGEOUS. A rarer one is UNFOSSILIFEROUS. In this set, O is the most frequent open letter (38 words). 8 words contain a doubled letter.

Full list 38

Common words

contemporaneousdisadvantageouspulchritudinousamaryllidaceousanthropophagousasclepiadaceouscaprifoliaceouscarpometacarpuscoinstantaneousconvolvulaceoushamamelidaceousmenispermaceous
contemporaneousdisadvantageouspulchritudinousamaryllidaceousanthropophagousasclepiadaceouscaprifoliaceouscarpometacarpuscoinstantaneousconvolvulaceoushamamelidaceousmenispermaceousopisthognathousornithorhynchuspassifloraceouspithecanthropusplumbaginaceoussarraceniaceoussclerodermatoustarsometatarsusunconscientiousunselfconsciousvicissitudinouszygophyllaceousantituberculousbasidiomycetouscollenchymatouscytomegalovirusdeuteranomalousechinodermatousenantiomorphousepitheliomatousexcrementitioushyperfastidiousnonsimultaneousstreptobacillusultrafastidiousunfossiliferous

About this list

Words
38 (3 common words)
Common example
contemporaneous
Rare example
unfossiliferous
Doubled letters
8
Ending in S
38
Most frequent letter
O (38)

Questions

How many 15-letter words ending in us are there?

38. 3 of them are common words.

What is a common example?

CONTEMPORANEOUS is among the common words in this set.