Franciscan vs Grey Friar

Franciscan and Grey Friar both are nouns.

Word	Noun	Adjective	Verb	Adverb
Franciscan	Yes	Yes	No	No
Grey Friar	Yes	No	No	No

As nouns, Franciscan and Grey Friar are synonyms defined as:

Franciscan and Grey Friar: a Roman Catholic friar wearing the grey habit of the Franciscan order

Franciscan (noun)	Grey Friar (noun)
a Roman Catholic friar wearing the grey habit of the Franciscan order	a Roman Catholic friar wearing the grey habit of the Franciscan order

Franciscan (adjective)	Grey Friar (adjective)
of or relating to Saint Francis of Assisi or to the order founded by him