bibliopole vs bibliopolist

bibliopole and bibliopolist both are nouns.

Word	Noun	Adjective	Verb	Adverb
bibliopole	Yes	No	No	No
bibliopolist	Yes	No	No	No

As nouns, bibliopole and bibliopolist are synonyms defined as:

bibliopole and bibliopolist: a dealer in secondhand books (especially rare or curious books)

bibliopole (noun)	bibliopolist (noun)
a dealer in secondhand books (especially rare or curious books)	a dealer in secondhand books (especially rare or curious books)