13-Letter Words Matching __LF_________

There are 14 13-letter words that match __LF_________. 4 are common words, such as HALFHEARTEDLY and MALFORMATIONS. A rarer one is WOLFISHNESSES. In this set, E is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 14

halfheartedlymalformationsmalfunctionedselfishnessessulfamerazinesulfanilamidesulfapyrazinesulfapyridinesulfathiazolesulfonmethanesulfadiazinessulfonylureassulfurousnesswolfishnesses

About this list

Words
14 (4 common words)
Common example
halfheartedly
Rare example
wolfishnesses
Doubled letters
3
Ending in S
6
Most frequent letter
E (13)

Questions

How many 13-letter words matching __lf_________ are there?

14. 4 of them are common words.

What is a common example?

HALFHEARTEDLY is among the common words in this set.