mortify vs sphacelate

mortify and sphacelate both are verbs.

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

As verbs, mortify and sphacelate are synonyms defined as:

Other synonyms of mortify include gangrene, necrose.

mortify (verb)	sphacelate (verb)
undergo necrosis	undergo necrosis
cause to feel shame; hurt the pride of
hold within limits and control
practice self-denial of one's body and appetites