13-Letter Words Matching ___N_____O___

There are 20 13-letter words that match ___N_____O___. 6 are common words, such as SPINSTERHOODS and THUNDERCLOUDS. A rarer one is TRANSPERSONAL. In this set, T is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 20

spinsterhoodsthundercloudsthundershowerthunderstormstransnationalunintentionalbronchoscopeschondriosomesconnotationalcountinghousequintillionthtransactionaltranslationalblanketflowerbronchoscopicethnohistoricfianchettoingthunderstonestransfusionaltranspersonal

About this list

Words
20 (6 common words)
Common example
spinsterhoods
Rare example
transpersonal
Doubled letters
4
Ending in S
6
Most frequent letter
T (17)

Questions

How many 13-letter words matching ___n_____o___ are there?

20. 6 of them are common words.

What is a common example?

SPINSTERHOODS is among the common words in this set.