heighten vs compound

heighten is not a noun while compound is a noun.

Word	Noun	Adjective	Verb	Adverb
heighten	No	No	Yes	No
compound	Yes	Yes	Yes	No

As verbs, compound is a hypernym of heighten; that is, compound is a word with a broader meaning than heighten:

Other hypernyms of heighten include deepen, heighten, intensify.

As verbs, heighten and compound are synonyms defined as:

Other synonyms of heighten include deepen, intensify.

As verbs, compound is a hypernym of heighten; that is, compound is a word with a broader meaning than heighten:

Other hypernyms of heighten include deepen, heighten, intensify.

heighten (noun)	compound (noun)
	an enclosure of residences and other building (especially in the Orient)
	a whole formed by a union of two or more elements or parts
	a word (as anthropology, kilocycle, builder) consisting of any of various combinations of words, combining forms, or affixes.
	(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

heighten (adjective)	compound (adjective)
	composed of more than one part
	consisting of two or more substances or ingredients or elements or parts
	composed of many distinct individuals united to form a whole or colony

heighten (verb)	compound (verb)
increase the level of	put or add together
become more extreme	make more intense, stronger, or more marked
make more extreme; raise in quantity, degree, or intensity	combine so as to form a whole; mix
make more intense, stronger, or more marked	create by mixing or combining
make (one's senses) more acute	calculate principal and interest
increase the height of