13-Letter Words Matching ____O______S_

There are 48 13-letter words that match ____O______S_. 17 are common words, such as AIRWORTHINESS and ANALOGOUSNESS. A rarer one is TOMBOYISHNESS. In this set, I is the most frequent open letter (41 words). 27 words contain a doubled letter.

Full list 48

Common words

airworthinessanalogousnesscolloquialismcontortionistdissolutenesselaboratenessethnocentrismexplosivenessfrivolousnessmeteorologistmicroorganismnonconformist
airworthinessanalogousnesscolloquialismcontortionistdissolutenesselaboratenessethnocentrismexplosivenessfrivolousnessmeteorologistmicroorganismnonconformistschoolmarmishseaworthinesssorrowfulnesstemporarinessvioloncellistclamorousnesscompositenesscorporativismcorporativistcorrosivenessdistortednessglamorousnesshomeomorphisminviolatenessmethodologistnonconformismnonporousnessphenomenalismprocompromisepromonarchistpurposivenessvisionarinesscorporealnesscosmopolitismcustomarinessethnobotanistmeteoriticistnonmonetaristpaedomorphismpaleobotanistphenomenalistphotochromismpictorialnesspromotivenesssociolinguisttomboyishness

About this list

Words
48 (17 common words)
Common example
airworthiness
Rare example
tomboyishness
Doubled letters
27
Ending in S
23
Most frequent letter
I (41)

Questions

How many 13-letter words matching ____o______s_ are there?

48. 17 of them are common words.

What is a common example?

AIRWORTHINESS is among the common words in this set.