ingredient vs constituent

ingredient and constituent both are nouns.

Word	Noun	Adjective	Verb	Adverb
ingredient	Yes	No	No	No
constituent	Yes	Yes	No	No

As nouns, constituent is a hypernym of ingredient; that is, constituent is a word with a broader meaning than ingredient:

ingredient: a component of a mixture or compound
constituent: an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system

Other hypernyms of ingredient include component, element.

As nouns, ingredient and constituent are synonyms defined as:

Other synonyms of ingredient include component, element, factor.

ingredient (noun)	constituent (noun)
a component of a mixture or compound	an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
an abstract part of something	an abstract part of something
food that is a component of a mixture in cooking	(grammar) a word or phrase or clause forming part of a larger grammatical construction
	a member of a constituency; a citizen who is represented in a government by officials for whom he or she votes
	something determined in relation to something that includes it

ingredient (adjective)	constituent (adjective)
	constitutional in the structure of something (especially your physical makeup)