10-Letter Words Matching ___N_G____

There are 12 10-letter words that match ___N_G____. 2 are common words, such as PHONOGRAPH and TRANSGRESS. A rarer one is PYCNOGONID. 1 words contain a doubled letter.

Full list 12

phonographtransgresshypnagogichypnogogicphonogramsstenographtransgenicunknightlybeknightedcyanogenicmidnightlypycnogonid

About this list

Words
12 (2 common words)
Common example
phonograph
Rare example
pycnogonid
Doubled letters
1
Ending in S
2

Questions

How many 10-letter words matching ___n_g____ are there?

12. 2 of them are common words.

What is a common example?

PHONOGRAPH is among the common words in this set.