13-Letter Words Matching _____A_N_____

There are 40 13-letter words that match _____A_N_____. 15 are common words, such as ETERNALNESSES and FOUNTAINHEADS. A rarer one is UNUSUALNESSES. In this set, S is the most frequent open letter (36 words). 27 words contain a doubled letter.

Full list 40

Common words

eternalnessesfountainheadsgradualnessesinfotainmentsliberalnessesliteralnessesmisdiagnosingmountaineeredmountainsidesnaturalnessesreincarnatingreincarnation
eternalnessesfountainheadsgradualnessesinfotainmentsliberalnessesliteralnessesmisdiagnosingmountaineeredmountainsidesnaturalnessesreincarnatingreincarnationsuperannuatedsuperannuatesuncleannesseschaplainshipscomplaininglylogicalnessesparamagnetismpartialnessesprediagnosticsensualnessessuperannuablecordialnessescordwaineriesethicalnessesfactualnessesfinicalnessesinhumannessesinitialnesseslyricalnessesmischannelingmischannelledmountainouslyneutralnessesradicalnessessandpaintingsspecialnessestypicalnessesunusualnesses

About this list

Words
40 (15 common words)
Common example
eternalnesses
Rare example
unusualnesses
Doubled letters
27
Ending in S
28
Most frequent letter
S (36)

Questions

How many 13-letter words matching _____a_n_____ are there?

40. 15 of them are common words.

What is a common example?

ETERNALNESSES is among the common words in this set.