12-Letter Words Containing ERR

There are 81 12-letter words that contain ERR. 29 are common words, such as ABERRATIONAL and BLACKBERRIES. A rarer one is YOUNGBERRIES. In this set, I is the most frequent open letter (61 words). 81 words contain a doubled letter.

Full list 81

Common words

aberrationalblackberriesdisinterringelderberriesgerrymandersgooseberriesherringbonesinterregnumsinterrelatedinterrelatesinterrogatedinterrogates
aberrationalblackberriesdisinterringelderberriesgerrymandersgooseberriesherringbonesinterregnumsinterrelatedinterrelatesinterrogatedinterrogatesinterrogatorinterruptersinterruptinginterruptionloganberriesmerrymakingsoverreachingoverreactingoverreactionstrawberriessubterraneanterrestrialsterriblenessterrificallyterrifyinglyterritorialstransferringcheckerberrycherrystoneschinaberriescloudberriescounterreplydaguerrotypeferricyanideferrocyanideferrosiliconinterruptivemerrythoughtoverregulateoverridinglyserviceberryspiceberrieswhortleberrybuffaloberrybullterriersbunchberrieschokeberriesconferrencescoralberriescounterraidscounterrallyferrimagnetsferromagnetsherringbonedhyperreactorhyperrealismhyperrealistinterrobangsinterrogateeinterruptorsmisinferringmisinterringmisreferringoverreachersoverrelianceoverreportedoverrespondsrowanberriessheepberriessugarberriessuperrealismterraformingthimbleberrytransferrerstransferrinsunderreactedunderreportsunderrunningyoungberries

About this list

Words
81 (29 common words)
Common example
aberrational
Rare example
youngberries
Doubled letters
81
Ending in S
38
Most frequent letter
I (61)

Questions

How many 12-letter words containing err are there?

81. 29 of them are common words.

What is a common example?

ABERRATIONAL is among the common words in this set.