15-Letter Words Matching _R_________L___

There are 15 15-letter words that match _R_________L___. 3 are common words, such as PROFESSIONALISM and PROFESSIONALIZE. A rarer one is ORGANOMETALLICS. In this set, I is the most frequent open letter (15 words). 9 words contain a doubled letter.

Full list 15

professionalismprofessionalizeproportionalityfranchisabilityirresistibilityirreversibilityprogrammabilitytransferabilitytranslatabilitytransmutabilitybrachycephaliesirreformabilityirrefragabilityirrepealabilityorganometallics

About this list

Words
15 (3 common words)
Common example
professionalism
Rare example
organometallics
Doubled letters
9
Ending in S
2
Most frequent letter
I (15)

Questions

How many 15-letter words matching _r_________l___ are there?

15. 3 of them are common words.

What is a common example?

PROFESSIONALISM is among the common words in this set.