12-Letter Words Matching _____N____I_

There are 15 12-letter words that match _____N____I_. 3 are common words, such as ALPHANUMERIC and CARCINOGENIC. A rarer one is VOLCANOLOGIC. In this set, O is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 15

alphanumericcarcinogenicgovernorshipattorneyshipbiosynthesisbiosyntheticcardinalshipfibrinolysinfibrinolysislistenershipantientropicconcanavalinfibrinolyticoveranalysisvolcanologic

About this list

Words
15 (3 common words)
Common example
alphanumeric
Rare example
volcanologic
Doubled letters
1
Ending in S
3
Most frequent letter
O (12)

Questions

How many 12-letter words matching _____n____i_ are there?

15. 3 of them are common words.

What is a common example?

ALPHANUMERIC is among the common words in this set.