14-Letter Words Matching __E_________I_

There are 30 14-letter words that match __E_________I_. 2 are common words, such as OVEROPTIMISTIC and UNENTHUSIASTIC. A rarer one is TREPONEMATOSIS. In this set, O is the most frequent open letter (27 words). 2 words contain a doubled letter.

Full list 30

Common words

overoptimisticunenthusiasticchemosynthesischemosyntheticelectrodepositelectrodynamicelectrokineticoveridealisticpneumoconiosispyelonephritisspectrographicspermiogenesis
overoptimisticunenthusiasticchemosynthesischemosyntheticelectrodepositelectrodynamicelectrokineticoveridealisticpneumoconiosispyelonephritisspectrographicspermiogenesistherianthropicthermoelectricthermomagneticchemotaxonomicelectrogenesiselectroosmosiselectroosmoticmyelencephalicoversimplisticpaedomorphosisprepsychedelicpresymptomaticpyelonephriticroentgenologicspermatophyticstereoisomericstereospecifictreponematosis

About this list

Words
30 (2 common words)
Common example
overoptimistic
Rare example
treponematosis
Doubled letters
2
Ending in S
8
Most frequent letter
O (27)

Questions

How many 14-letter words matching __e_________i_ are there?

30. 2 of them are common words.

What is a common example?

OVEROPTIMISTIC is among the common words in this set.