unease vs uneasiness

unease and uneasiness both are nouns.

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

As nouns, unease and uneasiness are synonyms defined as:

Other synonyms of unease include disquiet.

As nouns, unease and uneasiness are synonyms defined as:

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

Other synonyms of unease include malaise.

unease (noun)	uneasiness (noun)
the trait of seeming ill at ease	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)