nomad vs Saracen

nomad and Saracen both are nouns.

Word	Noun	Adjective	Verb	Adverb
nomad	Yes	No	No	No
Saracen	Yes	No	No	No

As nouns, Saracen is a hyponym of nomad; that is, Saracen is a word with a more specific, narrower meaning than nomad:

nomad: a member of a people who have no permanent home but move about according to the seasons
Saracen: (historically) a member of the nomadic people of the Syrian and Arabian deserts at the time of the Roman Empire

Other hyponyms of nomad include Bedouin, Beduin, Bushman, Khoisan, Hun, Scythian.

nomad (noun)	Saracen (noun)
a member of a people who have no permanent home but move about according to the seasons	(when used broadly) any Arab
	(historically) a member of the nomadic people of the Syrian and Arabian deserts at the time of the Roman Empire
	(historically) a Muslim who opposed the Crusades