15-Letter Words Matching ________NI_____

There are 18 15-letter words that match ________NI_____. 4 are common words, such as NONCOMMUNICABLE and NONRECOGNITIONS. A rarer one is ULTIMOGENITURES. In this set, O is the most frequent open letter (17 words). 6 words contain a doubled letter.

Full list 18

noncommunicablenonrecognitionssanctimoniouslyunceremoniouslyanticolonialismdextrosinistraldisharmoniouslypsychogenicallyanticolonialistbiomechanicallyepeirogenicallygeotectonicallyhexosaminidaseslymphadenitisespararosanilinespyrotechnicallysemicolonialismultimogenitures

About this list

Words
18 (4 common words)
Common example
noncommunicable
Rare example
ultimogenitures
Doubled letters
6
Ending in S
5
Most frequent letter
O (17)

Questions

How many 15-letter words matching ________ni_____ are there?

18. 4 of them are common words.

What is a common example?

NONCOMMUNICABLE is among the common words in this set.