regeneration vs revivification

regeneration and revivification both are nouns.

Word	Noun	Adjective	Verb	Adverb
regeneration	Yes	No	No	No
revivification	Yes	No	No	No

As nouns, revivification is a hypernym of regeneration; that is, revivification is a word with a broader meaning than regeneration:

Other hypernyms of regeneration include resurgence, revitalisation, revitalization, revival.

regeneration (noun)	revivification (noun)
the activity of spiritual or physical renewal	bringing again into activity and prominence
forming again (especially with improvements or removal of defects); renewing and reconstituting
(biology) growth anew of lost tissue or destroyed parts or organs
feedback in phase with (augmenting) the input