reluctance vs disinclination

reluctance and disinclination both are nouns.

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

As nouns, reluctance and disinclination are synonyms defined as:

Other synonyms of reluctance include hesitancy, hesitation, indisposition.

reluctance (noun)	disinclination (noun)
a certain degree of unwillingness	a certain degree of unwillingness
(physics) opposition to magnetic flux (analogous to electric resistance)	that toward which you are inclined to feel dislike