15-Letter Words Matching __________S_O__

There are 14 15-letter words that match __________S_O__. 2 are common words, such as MICROPROCESSORS and MULTIPROCESSORS. A rarer one is UNCIRCUMCISIONS. 6 words contain a doubled letter.

Full list 14

microprocessorsmultiprocessorshyperextensionsphotomicroscoperetransmissionsultramicroscopeantidepressionsantisubversionsinterdiffusionsmedulloblastomaoverpersuasionsseroconversionsultraprecisionsuncircumcisions

About this list

Words
14 (2 common words)
Common example
microprocessors
Rare example
uncircumcisions
Doubled letters
6
Ending in S
11

Questions

How many 15-letter words matching __________s_o__ are there?

14. 2 of them are common words.

What is a common example?

MICROPROCESSORS is among the common words in this set.