15-Letter Words Matching _____CI________

There are 13 15-letter words that match _____CI________. 4 are common words, such as HALLUCINOGENICS and IMPRECISENESSES. A rarer one is PARTICIPATIONAL. 6 words contain a doubled letter.

Full list 13

hallucinogenicsimprecisenessesinvincibilitiesreconciliationsdecalcificationduplicitousnesshallucinationalrecalcitranciesreconcilabilityconducivenessesimmiscibilitiesindisciplinableparticipational

About this list

Words
13 (4 common words)
Common example
hallucinogenics
Rare example
participational
Doubled letters
6
Ending in S
8

Questions

How many 15-letter words matching _____ci________ are there?

13. 4 of them are common words.

What is a common example?

HALLUCINOGENICS is among the common words in this set.