uneasiness vs unease

uneasiness and unease both are nouns.

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

As nouns, uneasiness and unease are synonyms defined as:

Other synonyms of uneasiness include disquiet.

As nouns, uneasiness and unease are synonyms defined as:

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

Other synonyms of uneasiness include malaise.

uneasiness (noun)	unease (noun)
inability to rest or relax or be still	the trait of seeming ill at ease
the trait of seeming ill at ease	physical discomfort (as mild sickness or depression)
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)