8-Letter Words Matching ___R___O

There are 14 8-letter words that match ___R___O. 5 are common words, such as ALFRESCO and AMARETTO. A rarer one is HUARACHO. In this set, A is the most frequent open letter (9 words). 8 words contain a doubled letter.

Full list 14

alfrescoamarettoespressolibrettoterrazzoamorettomicromhosciroccosforzatobarrancocabrestocourantoexpressohuaracho

About this list

Words
14 (5 common words)
Common example
alfresco
Rare example
huaracho
Doubled letters
8
Ending in S
0
Most frequent letter
A (9)

Questions

How many 8-letter words matching ___r___o are there?

14. 5 of them are common words.

What is a common example?

ALFRESCO is among the common words in this set.