12-Letter Words Starting With EXO

There are 15 12-letter words that start with EXO. 5 are common words, such as EXOBIOLOGIES and EXONERATIONS. A rarer one is EXOTICNESSES. In this set, T is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 15

exobiologiesexonerationsexorbitancesexorbitantlyexoskeletonsexobiologistexophthalmosexonucleasesexopeptidaseexophthalmicexophthalmusexorcisticalexotericallyexothermallyexoticnesses

About this list

Words
15 (5 common words)
Common example
exobiologies
Rare example
exoticnesses
Doubled letters
3
Ending in S
8
Most frequent letter
T (13)

Questions

How many 12-letter words starting with exo are there?

15. 5 of them are common words.

What is a common example?

EXOBIOLOGIES is among the common words in this set.