disinclination vs hesitation

disinclination and hesitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
disinclination	Yes	No	No	No
hesitation	Yes	No	No	No

As nouns, disinclination and hesitation are synonyms defined as:

Other synonyms of disinclination include hesitancy, indisposition, reluctance.

disinclination (noun)	hesitation (noun)
a certain degree of unwillingness	the act of pausing uncertainly
that toward which you are inclined to feel dislike	a certain degree of unwillingness
	indecision in speech or action