15-Letter Words Matching __E__________I_

There are 19 15-letter words that match __E__________I_. 1 are common words, such as ELECTROMAGNETIC and ACETOPHENETIDIN. A rarer one is STEROIDOGENESIS. 1 words contain a doubled letter.

Full list 19

electromagneticacetophenetidinelectroanalysiselectrodialysiselectronarcosiselectrophoresiselectrophoreticoverpessimisticphenolphthaleinphenylketonuriapleuropneumoniapseudepigraphicadenohypophysiselectroacousticelectrodialyticphenomenalisticphenylketonuricspermatogenesissteroidogenesis

About this list

Words
19 (1 common words)
Common example
electromagnetic
Rare example
steroidogenesis
Doubled letters
1
Ending in S
7

Questions

How many 15-letter words matching __e__________i_ are there?

19. 1 of them are common words.

What is a common example?

ELECTROMAGNETIC is among the common words in this set.