12-Letter Words Containing NEO

There are 13 12-letter words that contain NEO. 4 are common words, such as EXTRANEOUSLY and NEOCLASSICAL. A rarer one is SUCCEDANEOUS. In this set, S is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 13

extraneouslyneoclassicalsimultaneoussubcutaneouspercutaneouspyroligneousbalneologiesneoorthodoxyneorealisticneostigminesporcelaneouspostneonatalsuccedaneous

About this list

Words
13 (4 common words)
Common example
extraneously
Rare example
succedaneous
Doubled letters
3
Ending in S
8
Most frequent letter
S (12)

Questions

How many 12-letter words containing neo are there?

13. 4 of them are common words.

What is a common example?

EXTRANEOUSLY is among the common words in this set.