turbulence vs unrest

turbulence and unrest both are nouns.

Word	Noun	Adjective	Verb	Adverb
turbulence	Yes	No	No	No
unrest	Yes	No	No	No

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

turbulence: a state of violent disturbance and disorder (as in politics or social conditions generally)
unrest: a state of agitation or turbulent change or development

Other hyponyms of turbulence include agitation, ferment, fermentation, tempestuousness, roller coaster, violence.

turbulence (noun)	unrest (noun)
unstable flow of a liquid or gas	a feeling of restless agitation
a state of violent disturbance and disorder (as in politics or social conditions generally)	a state of agitation or turbulent change or development
instability in the atmosphere