13-Letter Words Matching ______R__O___

There are 17 13-letter words that match ______R__O___. 9 are common words, such as BURGLARPROOFS and METAMORPHOSED. A rarer one is ULTRAORTHODOX. In this set, H is the most frequent open letter (15 words). 6 words contain a doubled letter.

Full list 17

burglarproofsmetamorphosedmetamorphosesmetamorphosisreapportionedthundercloudsthundershowerthunderstormsweatherproofscheckerbloomsgynandromorphspeakerphonescreaturehoodsgeohydrologicsouthernwoodsthunderstonesultraorthodox

About this list

Words
17 (9 common words)
Common example
burglarproofs
Rare example
ultraorthodox
Doubled letters
6
Ending in S
11
Most frequent letter
H (15)

Questions

How many 13-letter words matching ______r__o___ are there?

17. 9 of them are common words.

What is a common example?

BURGLARPROOFS is among the common words in this set.