13-Letter Words Matching _____N_____I_

There are 23 13-letter words that match _____N_____I_. 6 are common words, such as COMPANIONSHIP and NATIONALISTIC. A rarer one is REGIONALISTIC. 3 words contain a doubled letter.

Full list 23

companionshipnationalisticpaternalisticphilanthropicrationalistictrigonometricarachnophobiacosponsorshipgalvanometrichelminthiasismaternalisticpaleontologicpathoneurosissalmonellosiscommandershipdysmenorrheicnonlinguisticoverenergeticpersonalisticprecentorshippreganglionicproconsulshipregionalistic

About this list

Words
23 (6 common words)
Common example
companionship
Rare example
regionalistic
Doubled letters
3
Ending in S
3

Questions

How many 13-letter words matching _____n_____i_ are there?

23. 6 of them are common words.

What is a common example?

COMPANIONSHIP is among the common words in this set.