assurance vs warrantee

assurance and warrantee both are nouns.

Word	Noun	Adjective	Verb	Adverb
assurance	Yes	No	No	No
warrantee	Yes	No	No	No

As nouns, warrantee is a hyponym of assurance; that is, warrantee is a word with a more specific, narrower meaning than assurance:

assurance: a binding commitment to do or give or refrain from something
warrantee: a written assurance that some product or service will be provided or will meet certain specifications

Other hyponyms of assurance include guarantee, warrant, warranty, guarantee, plight, troth, vow.

assurance (noun)	warrantee (noun)
freedom from doubt; belief in yourself and your abilities	a written assurance that some product or service will be provided or will meet certain specifications
a statement intended to inspire confidence	a customer to whom a warrant or guarantee is given
a binding commitment to do or give or refrain from something	a recipient of a warrant issued by a court in the United States
a British term for some kinds of insurance