15-Letter Words Matching __________E_I__

There are 34 15-letter words that match __________E_I__. 8 are common words, such as CONFECTIONERIES and COUNTEROFFERING. A rarer one is SUPERSUBTLETIES. In this set, R is the most frequent open letter (31 words). 8 words contain a doubled letter.

Full list 34

Common words

confectioneriescounterofferinghallucinogenicsmisinterpretingphotosynthesizerestrengtheningsledgehammeringstraitjacketingelectrokineticsmischaracterizemorphophonemicsovercompetetive
confectioneriescounterofferinghallucinogenicsmisinterpretingphotosynthesizerestrengtheningsledgehammeringstraitjacketingelectrokineticsmischaracterizemorphophonemicsovercompetetivestereoisomerismantiallergenicsarchaebacteriumcarpetbaggeriescorynebacterialcorynebacteriumcounterorderingenterobacterialenterobacteriumerythropoietinshyperaesthesiashyperlipidemiashypomagnesemiasmountebankeriesnincompooperiesoverengineeringoverlengtheningphrasemongeringpreinterviewingpsychosurgeriesschoolmasterishsupersubtleties

About this list

Words
34 (8 common words)
Common example
confectioneries
Rare example
supersubtleties
Doubled letters
8
Ending in S
14
Most frequent letter
R (31)

Questions

How many 15-letter words matching __________e_i__ are there?

34. 8 of them are common words.

What is a common example?

CONFECTIONERIES is among the common words in this set.