15-Letter Words Matching ___E_____O_____

There are 26 15-letter words that match ___E_____O_____. 4 are common words, such as HYPERTHYROIDISM and INTERNATIONALLY. A rarer one is SUPERPHENOMENON. In this set, I is the most frequent open letter (21 words). 7 words contain a doubled letter.

Full list 26

Common words

hyperthyroidisminternationallypaleontologistsunderemploymentheterochromaticheterochromatininterpersonallyobservationallypaleontologicaltelethermometerexoerythrocytichyperresponsive
hyperthyroidisminternationallypaleontologistsunderemploymentheterochromaticheterochromatininterpersonallyobservationallypaleontologicaltelethermometerexoerythrocytichyperresponsivehypersomnolenceintegrationistsnonelectrolytesorientationallypaleobiologicalpaleobiologistspaleoecologicalpaleoecologistspaleozoologicalpaleozoologistspinealectomizedpinealectomizesreservationistssuperphenomenon

About this list

Words
26 (4 common words)
Common example
hyperthyroidism
Rare example
superphenomenon
Doubled letters
7
Ending in S
8
Most frequent letter
I (21)

Questions

How many 15-letter words matching ___e_____o_____ are there?

26. 4 of them are common words.

What is a common example?

HYPERTHYROIDISM is among the common words in this set.