disjunct vs zoology

disjunct is not a noun while zoology is a noun.

Word	Noun	Adjective	Verb	Adverb
disjunct	No	Yes	No	No
zoology	Yes	No	No	No

disjunct (noun)	zoology (noun)
	the branch of biology that studies animals
	all the animal life in a particular region or period

disjunct (adjective)	zoology (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