12-Letter Words Ending in AN

There are 73 12-letter words that end in AN. 31 are common words, such as ANTEDILUVIAN and ARCHDIOCESAN. A rarer one is VESPERTILIAN. In this set, I is the most frequent open letter (59 words). 7 words contain a doubled letter.

Full list 73

Common words

antediluvianarchdiocesanartillerymanbacchanalianbackwoodsmancommitteemancosmopolitancouncilwomancountrywomanfrontiersmanhumanitarianlaundrywoman
antediluvianarchdiocesanartillerymanbacchanalianbackwoodsmancommitteemancosmopolitancouncilwomancountrywomanfrontiersmanhumanitarianlaundrywomanlongshoremanmetropolitannewspapermannonagenariannonsectarianobstetricianoctogenarianpediatricianpostmeridiansalutatorianservicewomansexagenarianstatisticiansubterraneantheoreticiantotalitarianvaudevillianveterinarianworkingwomanambulancemanantemeridiandialecticianepiscopalianequalitarianfutilitariangeometriciangeriatricianhymenopteranlabyrinthianlepidopteranmajoritarianpostdiluvianprehistorianpresbyterianproboscideanprototherianremaindermantauromachianturbellarianubiquitarianwarehousemanaestheticianarchosaurianbackcourtmanbiometriciancochairwomandibenzofuranhereditariannonlibrariannonphysicianonomasticianonychophoranparkinsonianpogonophoranprelapsarianproboscidianproteoglycanspermatozoansublibrariantrichopteranvespertilian

About this list

Words
73 (31 common words)
Common example
antediluvian
Rare example
vespertilian
Doubled letters
7
Ending in S
0
Most frequent letter
I (59)

Questions

How many 12-letter words ending in an are there?

73. 31 of them are common words.

What is a common example?

ANTEDILUVIAN is among the common words in this set.