10-Letter Words Matching ______A_N_

There are 38 10-letter words that match ______A_N_. 20 are common words, such as APPERTAINS and ASCERTAINS. A rarer one is TEARSTAINS. In this set, I is the most frequent open letter (35 words). 5 words contain a doubled letter.

Full list 38

Common words

appertainsascertainsbirdbrainsboatswainschatelainechieftainschilblainsconstrainsconstraintentertainseyestrainsgrosgrains
appertainsascertainsbirdbrainsboatswainschatelainechieftainschilblainsconstrainsconstraintentertainseyestrainsgrosgrainshootenannylamebrainsmascaraingporcelainspreordainsreacquaintreexplainssubpenaingbenzocaineforebrainshindbrainsleucomainephenacainesubdomainstetracainebalmacaansbromelainschatelainscocaptainsdiplomainghosannaingmicrofaunaoverlearnsovertrainspeneplainstearstains

About this list

Words
38 (20 common words)
Common example
appertains
Rare example
tearstains
Doubled letters
5
Ending in S
25
Most frequent letter
I (35)

Questions

How many 10-letter words matching ______a_n_ are there?

38. 20 of them are common words.

What is a common example?

APPERTAINS is among the common words in this set.