disinclination vs hesitancy

disinclination and hesitancy both are nouns.

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

As nouns, disinclination and hesitancy are synonyms defined as:

Other synonyms of disinclination include hesitation, indisposition, reluctance.

disinclination (noun)	hesitancy (noun)
a certain degree of unwillingness	a certain degree of unwillingness
that toward which you are inclined to feel dislike	a feeling of diffidence and indecision about doing something