7-Letter Words Ending in ERN

There are 20 7-letter words that end in ERN. 10 are common words, such as BITTERN and CISTERN. A rarer one is ZITHERN. In this set, T is the most frequent open letter (16 words). 4 words contain a doubled letter.

Full list 20

bitterncisternconcerndiscerneasternlanternlecternpasternpatternwesterncitterngitternluthernposternsalternsilverncithernklavernyesternzithern

About this list

Words
20 (10 common words)
Common example
bittern
Rare example
zithern
Doubled letters
4
Ending in S
0
Most frequent letter
T (16)

Questions

How many 7-letter words ending in ern are there?

20. 10 of them are common words.

What is a common example?

BITTERN is among the common words in this set.