indisposition vs reluctance

indisposition and reluctance both are nouns.

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

As nouns, indisposition and reluctance are synonyms defined as:

Other synonyms of indisposition include disinclination, hesitancy, hesitation.

indisposition (noun)	reluctance (noun)
a certain degree of unwillingness	a certain degree of unwillingness
a slight illness	(physics) opposition to magnetic flux (analogous to electric resistance)