10-Letter Words Containing NEO

There are 19 10-letter words that contain NEO. 5 are common words, such as EXTRANEOUS and NEOCLASSIC. A rarer one is TERPINEOLS. In this set, I is the most frequent open letter (15 words). 2 words contain a doubled letter.

Full list 19

extraneousneoclassicneodymiumsneologismsneoplasticbalneologycoetaneousgramineousneoliberalneologicalneologistsneonatallyneophiliacneophiliasneoplasiasneorealismneorealistneotropicsterpineols

About this list

Words
19 (5 common words)
Common example
extraneous
Rare example
terpineols
Doubled letters
2
Ending in S
10
Most frequent letter
I (15)

Questions

How many 10-letter words containing neo are there?

19. 5 of them are common words.

What is a common example?

EXTRANEOUS is among the common words in this set.