mortify vs abstain

mortify and abstain both are verbs.

Word	Noun	Adjective	Verb	Adverb
mortify	No	No	Yes	No
abstain	No	No	Yes	No

mortify (verb)	abstain (verb)
undergo necrosis	choose not to consume
cause to feel shame; hurt the pride of	refrain from voting
hold within limits and control
practice self-denial of one's body and appetites