13-Letter Words Matching ____O__B_____

There are 19 13-letter words that match ____O__B_____. 2 are common words, such as IMPROBABILITY and INVIOLABILITY. A rarer one is UNKNOWABILITY. In this set, I is the most frequent open letter (19 words). 1 words contain a doubled letter.

Full list 19

improbabilityinviolabilitydeployabilitydisposabilityemployabilityinexorabilityreasonabilityseasonabilitydaunorubicinsimprovabilitymicrohabitatsmyelofibrosesmyelofibrosismyelofibroticneurofibromaspromotabilityradiolabelingradiolabelledunknowability

About this list

Words
19 (2 common words)
Common example
improbability
Rare example
unknowability
Doubled letters
1
Ending in S
5
Most frequent letter
I (19)

Questions

How many 13-letter words matching ____o__b_____ are there?

19. 2 of them are common words.

What is a common example?

IMPROBABILITY is among the common words in this set.