13-Letter Words Matching _________OS__

There are 46 13-letter words that match _________OS__. 5 are common words, such as METAMORPHOSED and METAMORPHOSES. A rarer one is XENODIAGNOSIS. In this set, S is the most frequent open letter (42 words). 5 words contain a doubled letter.

Full list 46

Common words

metamorphosedmetamorphosesmetamorphosismononucleosesmononucleosisactinomycosesactinomycosisaspergillosesaspergillosisastereognosisendometriosesendometriosis
metamorphosedmetamorphosesmetamorphosismononucleosesmononucleosisactinomycosesactinomycosisaspergillosesaspergillosisastereognosisendometriosesendometriosisleptospirosesleptospirosislymphocytosispathoneurosisphotocomposersalmonellosessalmonellosisspirochetosistoxoplasmosisblastomycosesblastomycosiscysticercosescysticercosisendosymbiosesendosymbiosisheterozygosesheterozygosishyperhidroseshyperhidrosislymphocytoseslymphomatoseslymphomatosismicrocosmosesmyelofibrosesmyelofibrosisnoncellulosicphotocomposedphotocomposesserodiagnosesserodiagnosisspirochetosestoxoplasmosesxenodiagnosesxenodiagnosis

About this list

Words
46 (5 common words)
Common example
metamorphosed
Rare example
xenodiagnosis
Doubled letters
5
Ending in S
42
Most frequent letter
S (42)

Questions

How many 13-letter words matching _________os__ are there?

46. 5 of them are common words.

What is a common example?

METAMORPHOSED is among the common words in this set.