13-Letter Words Matching O________R___

There are 19 13-letter words that match O________R___. 6 are common words, such as OBSERVATORIES and OLEOMARGARINE. A rarer one is OVERGLAMORIZE. In this set, E is the most frequent open letter (16 words). 1 words contain a doubled letter.

Full list 19

observatoriesoleomargarineoleomargarinsovermasteringoversubscribeoverwinteringorganotherapyoverelaborateoverprescribeovoviviparityovoviviparousonychophoransoutdeliveringoutglitteringoverconcernedoverconstructoverencourageoverexuberantoverglamorize

About this list

Words
19 (6 common words)
Common example
observatories
Rare example
overglamorize
Doubled letters
1
Ending in S
4
Most frequent letter
E (16)

Questions

How many 13-letter words matching o________r___ are there?

19. 6 of them are common words.

What is a common example?

OBSERVATORIES is among the common words in this set.