15-Letter Words Matching ____EC_________

There are 28 15-letter words that match ____EC_________. 5 are common words, such as BIOTECHNOLOGIES and CONFECTIONERIES. A rarer one is RESPECTABLENESS. 10 words contain a doubled letter.

Full list 28

Common words

biotechnologiesconfectioneriesimprecisenessesnonrecognitionsunprecedentedlybiotechnologistcholecalciferolcholecystectomycholecystitidesconsecutivenesshendecasyllableperfectionistic
biotechnologiesconfectioneriesimprecisenessesnonrecognitionsunprecedentedlybiotechnologistcholecalciferolcholecystectomycholecystitidesconsecutivenesshendecasyllableperfectionisticpithecanthropusunspectacularlybiomechanicallycholecystitisescholecystokinincollectednessesconfectionariesconnectednessesdialectologicaldialectologistsgeotectonicallyhendecasyllabicmisrecollectionnonrecombinantsreflectometriesrespectableness

About this list

Words
28 (5 common words)
Common example
biotechnologies
Rare example
respectableness
Doubled letters
10
Ending in S
15

Questions

How many 15-letter words matching ____ec_________ are there?

28. 5 of them are common words.

What is a common example?

BIOTECHNOLOGIES is among the common words in this set.