friar preacher vs Black Friar

friar preacher and Black Friar both are nouns.

Word	Noun	Adjective	Verb	Adverb
friar preacher	Yes	No	No	No
Black Friar	Yes	No	No	No

As nouns, friar preacher and Black Friar are synonyms defined as:

friar preacher and Black Friar: a Roman Catholic friar wearing the black mantle of the Dominican order

Other synonyms of friar preacher include Blackfriar, Dominican.

friar preacher (noun)	Black Friar (noun)
a Roman Catholic friar wearing the black mantle of the Dominican order	a Roman Catholic friar wearing the black mantle of the Dominican order