12-Letter Words Matching N_________U_

There are 16 12-letter words that match N_________U_. 4 are common words, such as NONCANCEROUS and NONHAZARDOUS. A rarer one is NONUNANIMOUS. In this set, O is the most frequent open letter (16 words). 0 words contain a doubled letter.

Full list 16

noncancerousnonhazardousnonpoisonousnonreligiousnielsbohriumnimbostratusnoctambulousnonmaliciousnecrophagousneuropterousnonambiguousnonconsciousnonfrivolousnonglamorousnonpetroleumnonunanimous

About this list

Words
16 (4 common words)
Common example
noncancerous
Rare example
nonunanimous
Doubled letters
0
Ending in S
14
Most frequent letter
O (16)

Questions

How many 12-letter words matching n_________u_ are there?

16. 4 of them are common words.

What is a common example?

NONCANCEROUS is among the common words in this set.