9-Letter Words Matching ____LF___

There are 20 9-letter words that match ____LF___. 5 are common words, such as ANGELFISH and ENGULFING. A rarer one is PEDALFERS. 3 words contain a doubled letter.

Full list 20

angelfishengulfingshellfireshellfishunselfishbisulfatedevilfishdisulfidejewelfishsnailfishspoilfiveswellfishbegulfingbisulfidebisulfitebusulfansdesulfursdisulfidsingulfingpedalfers

About this list

Words
20 (5 common words)
Common example
angelfish
Rare example
pedalfers
Doubled letters
3
Ending in S
4

Questions

How many 9-letter words matching ____lf___ are there?

20. 5 of them are common words.

What is a common example?

ANGELFISH is among the common words in this set.