15-Letter Words Matching ___N_____O_____

There are 17 15-letter words that match ___N_____O_____. 2 are common words, such as TRINITROTOLUENE and UNINTENTIONALLY. A rarer one is TRANSMISSOMETER. In this set, T is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 17

trinitrotolueneunintentionallycounterplottingcounterproposalphenylketonuriabronchoscopistscounterblockadecounterprojectscounterprotestscounterviolenceethnohistoriansethnohistoricallignosulfonatesphenylketonuricphenylthioureastranshistoricaltransmissometer

About this list

Words
17 (2 common words)
Common example
trinitrotoluene
Rare example
transmissometer
Doubled letters
3
Ending in S
6
Most frequent letter
T (17)

Questions

How many 15-letter words matching ___n_____o_____ are there?

17. 2 of them are common words.

What is a common example?

TRINITROTOLUENE is among the common words in this set.