compunction vs self-reproach

compunction and self-reproach both are nouns.

Word	Noun	Adjective	Verb	Adverb
compunction	Yes	No	No	No
self-reproach	Yes	No	No	No

As nouns, compunction and self-reproach are synonyms defined as:

compunction and self-reproach: a feeling of deep regret (usually for some misdeed)

Other synonyms of compunction include remorse.

compunction (noun)	self-reproach (noun)
a feeling of deep regret (usually for some misdeed)	the act of blaming yourself
	a feeling of deep regret (usually for some misdeed)