friar preacher vs Dominican

friar preacher and Dominican both are nouns.

Word	Noun	Adjective	Verb	Adverb
friar preacher	Yes	No	No	No
Dominican	Yes	Yes	No	No

As nouns, friar preacher and Dominican are synonyms defined as:

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

Other synonyms of friar preacher include Black Friar, Blackfriar.

friar preacher (noun)	Dominican (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
	a native or inhabitant of the Dominican Republic

friar preacher (adjective)	Dominican (adjective)
	of or relating to Saint Dominic or the Dominican order
	of or relating to or characteristic of the Dominican Republic or its people