15-Letter Words Matching ____E___L______

There are 20 15-letter words that match ____E___L______. 5 are common words, such as BACTERIOLOGICAL and BACTERIOLOGISTS. A rarer one is UNIVERSALNESSES. 12 words contain a doubled letter.

Full list 20

bacteriologicalbacteriologistsepidemiologistsforgetfulnesseswonderfulnessescongenialnessesepidemiologicalvespertilioninedialectologicaldialectologistsecclesiologicalecclesiologistsmagnetoelectricmasterfulnessesmisrecollectionoverembellishedoverembellishesprayerfulnessesregretfulnessesuniversalnesses

About this list

Words
20 (5 common words)
Common example
bacteriological
Rare example
universalnesses
Doubled letters
12
Ending in S
12

Questions

How many 15-letter words matching ____e___l______ are there?

20. 5 of them are common words.

What is a common example?

BACTERIOLOGICAL is among the common words in this set.