13-Letter Words Matching _____O___S___

There are 37 13-letter words that match _____O___S___. 5 are common words, such as CONTROVERSIAL and CONTROVERSIES. A rarer one is TROPHOBLASTIC. In this set, I is the most frequent open letter (32 words). 14 words contain a doubled letter.

Full list 37

Common words

controversialcontroversiesdemigoddessesshallownessesthermoplasticanticorrosivecryptoclasticgyrocompassesnympholepsiespassionlesslypsychophysicssomatosensory
controversialcontroversiesdemigoddessesshallownessesthermoplasticanticorrosivecryptoclasticgyrocompassesnympholepsiespassionlesslypsychophysicssomatosensorystationmasterthermotensileanticollisionanticorrosionceruloplasminchloroplasticemotionlesslylymphoblasticmegaloblasticmultiorgasmicnucleocapsidsnucleoplasmicodontoblasticodontoglossumoverfocussingovernourishedovernourishespreprocessingpreprocessorspseudoclassicsoliloquisingstandoffishlysurgeonfishestriploblastictrophoblastic

About this list

Words
37 (5 common words)
Common example
controversial
Rare example
trophoblastic
Doubled letters
14
Ending in S
10
Most frequent letter
I (32)

Questions

How many 13-letter words matching _____o___s___ are there?

37. 5 of them are common words.

What is a common example?

CONTROVERSIAL is among the common words in this set.