uneasiness vs malaise

uneasiness and malaise both are nouns.

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

As nouns, uneasiness and malaise are synonyms defined as:

uneasiness and malaise: physical discomfort (as mild sickness or depression)

Other synonyms of uneasiness include unease.

uneasiness (noun)	malaise (noun)
inability to rest or relax or be still	physical discomfort (as mild sickness or depression)
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)