prophesier vs diviner

prophesier and diviner both are nouns.

Word	Noun	Adjective	Verb	Adverb
prophesier	Yes	No	No	No
diviner	Yes	No	No	No

As nouns, diviner is a hypernym of prophesier; that is, diviner is a word with a broader meaning than prophesier:

prophesier: an authoritative person who divines the future
diviner: someone who claims to discover hidden knowledge with the aid of supernatural powers

prophesier (noun)	diviner (noun)
an authoritative person who divines the future	someone who claims to discover hidden knowledge with the aid of supernatural powers