13-Letter Words Matching ______O__S___

There are 30 13-letter words that match ______O__S___. 2 are common words, such as ANACHRONISTIC and MARCHIONESSES. A rarer one is SYNCHRONISTIC. In this set, I is the most frequent open letter (24 words). 8 words contain a doubled letter.

Full list 30

Common words

anachronisticmarchionessesanaphrodisiacbehavioristicdisafforestedfibrinolysinsillusionisticoligopolisticsynchromeshesaccessorisingbuffalofishesconveyorising
anachronisticmarchionessesanaphrodisiacbehavioristicdisafforestedfibrinolysinsillusionisticoligopolisticsynchromeshesaccessorisingbuffalofishesconveyorisingetymologisingeudaemonisticextemporisingexteriorisinginteriorisingisochromosomemicroporositymonopsonisticoverprocessedoverprocessesoverpromisingphosphorescedphosphorescesskeletonisingstreptolysinssupercolossalsynchronisingsynchronistic

About this list

Words
30 (2 common words)
Common example
anachronistic
Rare example
synchronistic
Doubled letters
8
Ending in S
7
Most frequent letter
I (24)

Questions

How many 13-letter words matching ______o__s___ are there?

30. 2 of them are common words.

What is a common example?

ANACHRONISTIC is among the common words in this set.