uneasiness vs disquietude

uneasiness and disquietude both are nouns.

Word	Noun	Adjective	Verb	Adverb
uneasiness	Yes	No	No	No
disquietude	Yes	No	No	No

As nouns, uneasiness and disquietude are synonyms defined as:

uneasiness and disquietude: feelings of anxiety that make you tense and irritable

Other synonyms of uneasiness include edginess, inquietude.

uneasiness (noun)	disquietude (noun)
inability to rest or relax or be still	feelings of anxiety that make you tense and irritable
the trait of seeming ill at ease
embarrassment deriving from the feeling that others are critically aware of you
feelings of anxiety that make you tense and irritable
physical discomfort (as mild sickness or depression)