13-Letter Words Containing OBS

There are 18 13-letter words that contain OBS. 9 are common words, such as NONOBSERVANCE and OBSCURANTISMS. A rarer one is OBSTINATENESS. In this set, E is the most frequent open letter (16 words). 5 words contain a doubled letter.

Full list 18

nonobservanceobscurantismsobscurantistsobservationalobservatoriesobsessivenessobsolescencesobstetriciansobstructivelyobscurenessesobservabilityobsessionallyobsolescentlyantiobscenityinobservancesinterobserverobstetricallyobstinateness

About this list

Words
18 (9 common words)
Common example
nonobservance
Rare example
obstinateness
Doubled letters
5
Ending in S
9
Most frequent letter
E (16)

Questions

How many 13-letter words containing obs are there?

18. 9 of them are common words.

What is a common example?

NONOBSERVANCE is among the common words in this set.