12-Letter Words Matching _R_O________

There are 21 12-letter words that match _R_O________. 7 are common words, such as DROOPINESSES and PREOCCUPYING. A rarer one is PREOVULATORY. In this set, E is the most frequent open letter (16 words). 9 words contain a doubled letter.

Full list 21

droopinessespreoccupyingpreoperativepreordainingprioritizingproofreadersproofreadingarborizationergonometricpreoccupancyarborescencebroodinessesbroomballersbryophyllumscreolizationcryopreservecryosurgeonscryosurgicalergodicitiesirrotationalpreovulatory

About this list

Words
21 (7 common words)
Common example
droopinesses
Rare example
preovulatory
Doubled letters
9
Ending in S
7
Most frequent letter
E (16)

Questions

How many 12-letter words matching _r_o________ are there?

21. 7 of them are common words.

What is a common example?

DROOPINESSES is among the common words in this set.