lifestyle vs nomadism

lifestyle and nomadism both are nouns.

Word	Noun	Adjective	Verb	Adverb
lifestyle	Yes	No	No	No
nomadism	Yes	No	No	No

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

lifestyle: a manner of living that reflects the person's values and attitudes
nomadism: The way of life of people who, having no fixed home, move around seasonally in search of food, water and grazing etc.

Other hyponyms of lifestyle include fast lane, free living, vanity fair, settledness.

lifestyle (noun)	nomadism (noun)
a manner of living that reflects the person's values and attitudes	The way of life of people who, having no fixed home, move around seasonally in search of food, water and grazing etc.