biological science vs putrefaction

biological science and putrefaction both are nouns.

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

biological science (noun)	putrefaction (noun)
the science that studies living organisms	moral perversion; impairment of virtue and moral principles
	(biology) the process of decay caused by bacterial or fungal action
	a state of decay usually accompanied by an offensive odor