uneasiness vs willies

uneasiness and willies both are nouns.

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

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

uneasiness (noun)	willies (noun)
inability to rest or relax or be still	feelings of uneasiness
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)