13-Letter Words Matching _______N___I_

There are 21 13-letter words that match _______N___I_. 5 are common words, such as AMNIOCENTESIS and ANACHRONISTIC. A rarer one is SYNCHRONISTIC. In this set, I is the most frequent open letter (19 words). 4 words contain a doubled letter.

Full list 21

amniocentesisanachronisticdeterministicnonscientificopportunisticgeoscientificillusionisticleishmaniasispassementerieprediagnosticprescientificpresidentshipassistantshipbioscientificeudaemonistichistaminergicinterpandemicmonoaminergicmonopsonisticnoradrenergicsynchronistic

About this list

Words
21 (5 common words)
Common example
amniocentesis
Rare example
synchronistic
Doubled letters
4
Ending in S
2
Most frequent letter
I (19)

Questions

How many 13-letter words matching _______n___i_ are there?

21. 5 of them are common words.

What is a common example?

AMNIOCENTESIS is among the common words in this set.