assurance vs plight

assurance and plight both are nouns.

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

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

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

assurance (noun)	plight (noun)
freedom from doubt; belief in yourself and your abilities	a solemn pledge of fidelity
a statement intended to inspire confidence	a situation from which extrication is difficult especially an unpleasant or trying one
a binding commitment to do or give or refrain from something
a British term for some kinds of insurance

assurance (verb)	plight (verb)
	promise solemnly and formally
	give to in marriage