nomadic vs peregrine

nomadic is not a noun while peregrine is a noun.

Word	Noun	Adjective	Verb	Adverb
nomadic	No	Yes	No	No
peregrine	Yes	Yes	No	No

As adjectives, nomadic and peregrine are synonyms defined as:

Other synonyms of nomadic include mobile, roving, wandering.

nomadic (noun)	peregrine (noun)
	a widely distributed falcon formerly used in falconry

nomadic (adjective)	peregrine (adjective)
migratory	migratory