assure vs spot-check

assure and spot-check both are verbs.

Word	Noun	Adjective	Verb	Adverb
assure	No	No	Yes	No
spot-check	No	No	Yes	No

As verbs, spot-check is a hyponym of assure; that is, spot-check is a word with a more specific, narrower meaning than assure:

assure: be careful or certain to do something; make certain of something
spot-check: pick out random samples for examination in order to ensure high quality

Other hyponyms of assure include proof, proofread, control, double-check, cross-check, cinch, card, cover.

assure (verb)	spot-check (verb)
be careful or certain to do something; make certain of something	pick out random samples for examination in order to ensure high quality
inform positively and with certainty and confidence
assure somebody of the truth of something with the intention of giving the listener confidence
make a promise or commitment
make certain of