14-Letter Words Matching _________E__O_

There are 12 14-letter words that match _________E__O_. 4 are common words, such as BUSINESSPERSON and CONGRESSPERSON. A rarer one is THERMORECEPTOR. In this set, R is the most frequent open letter (12 words). 5 words contain a doubled letter.

Full list 12

businesspersoncongresspersonmicroprocessormultiprocessortrisoctahedronaggiornamentoshyperexcretionhypersecretionmicroprojectorneurosecretionretroreflectorthermoreceptor

About this list

Words
12 (4 common words)
Common example
businessperson
Rare example
thermoreceptor
Doubled letters
5
Ending in S
1
Most frequent letter
R (12)

Questions

How many 14-letter words matching _________e__o_ are there?

12. 4 of them are common words.

What is a common example?

BUSINESSPERSON is among the common words in this set.