disjunct vs zoological science

disjunct is not a noun while zoological science is a noun.

Word	Noun	Adjective	Verb	Adverb
disjunct	No	Yes	No	No
zoological science	Yes	No	No	No

disjunct (noun)	zoological science (noun)
	the branch of biology that studies animals

disjunct (adjective)	zoological science (adjective)
progressing melodically by intervals larger than a major second
used of distributions, as of statistical or natural populations
having deep constrictions separating head, thorax, and abdomen, as in insects
marked by separation of or from usually contiguous elements