regeneration vs biological science

regeneration and biological science both are nouns.

Word	Noun	Adjective	Verb	Adverb
regeneration	Yes	No	No	No
biological science	Yes	No	No	No

regeneration (noun)	biological science (noun)
the activity of spiritual or physical renewal	the science that studies living organisms
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