extract vs chemical science

extract and chemical science both are nouns.

Word	Noun	Adjective	Verb	Adverb
extract	Yes	No	Yes	No
chemical science	Yes	No	No	No

extract (noun)	chemical science (noun)
a passage selected from a larger work	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
a solution obtained by steeping or soaking a substance (usually in water)

extract (verb)	chemical science (verb)
extract by the process of distillation
take out of a literary work in order to cite or copy
calculate the root of a number
remove, usually with some force or effort; also used in an abstract sense
obtain from a substance, as by mechanical action
separate (a metal) from an ore
deduce (a principle) or construe (a meaning)
get despite difficulties or obstacles