14-Letter Words Matching ___ET_________

There are 20 14-letter words that match ___ET_________. 10 are common words, such as COVETOUSNESSES and FLEETINGNESSES. A rarer one is VALETUDINARIES. In this set, I is the most frequent open letter (17 words). 7 words contain a doubled letter.

Full list 20

covetousnessesfleetingnessesindeterminableindeterminablymeretriciouslyrepetitivenessteletypewritertogethernessesvaletudinarianvegetarianismsforethoughtfulinveteratenessstretchabilityvegetativenessimmethodicallyindeterminismsindeterministsnorethindronesundeterminablevaletudinaries

About this list

Words
20 (10 common words)
Common example
covetousnesses
Rare example
valetudinaries
Doubled letters
7
Ending in S
11
Most frequent letter
I (17)

Questions

How many 14-letter words matching ___et_________ are there?

20. 10 of them are common words.

What is a common example?

COVETOUSNESSES is among the common words in this set.