13-Letter Words Matching ___R_F_______

There are 32 13-letter words that match ___R_F_______. 11 are common words, such as CLARIFICATION and GLORIFICATION. A rarer one is ULTRAFILTRATE. In this set, I is the most frequent open letter (29 words). 4 words contain a doubled letter.

Full list 32

Common words

clarificationglorificationnitrificationnonrefillablenonrefundablepetrifactionsputrefactionssacrificiallyscarificationvitrifactionsvitrificationcaprification
clarificationglorificationnitrificationnonrefillablenonrefundablepetrifactionsputrefactionssacrificiallyscarificationvitrifactionsvitrificationcaprificationhorrificationnonreflectingodoriferouslypetrificationretroflexionssternforemostcarryforwardsmicrofilamentmicrofilariaemicrofilarialmicrofilmablemicrofungusesmisreferencesneurofibromasretroflectionsportfishingstetrafluorideultrafamiliarultrafeminineultrafiltrate

About this list

Words
32 (11 common words)
Common example
clarification
Rare example
ultrafiltrate
Doubled letters
4
Ending in S
9
Most frequent letter
I (29)

Questions

How many 13-letter words matching ___r_f_______ are there?

32. 11 of them are common words.

What is a common example?

CLARIFICATION is among the common words in this set.