12-Letter Words Matching ___R___B____

There are 14 12-letter words that match ___R___B____. 3 are common words, such as HERRINGBONES and QUARTERBACKS. A rarer one is NEUROFIBROMA. In this set, O is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 14

herringbonesquarterbackssmorgasbordssupraorbitalultraliberalunprohibitedwhortleberryherringbonedmicrofibrilsmicrohabitatmicrotubularmicrotubulesneurofibrilsneurofibroma

About this list

Words
14 (3 common words)
Common example
herringbones
Rare example
neurofibroma
Doubled letters
3
Ending in S
6
Most frequent letter
O (12)

Questions

How many 12-letter words matching ___r___b____ are there?

14. 3 of them are common words.

What is a common example?

HERRINGBONES is among the common words in this set.