biology vs regeneration

biology and regeneration both are nouns.

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

biology (noun)	regeneration (noun)
the science that studies living organisms	the activity of spiritual or physical renewal
all the plant and animal life of a particular region	forming again (especially with improvements or removal of defects); renewing and reconstituting
characteristic life processes and phenomena of living organisms	(biology) growth anew of lost tissue or destroyed parts or organs
	feedback in phase with (augmenting) the input