insure vs spot-check

insure and spot-check both are verbs.

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

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

insure: 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 insure include proof, proofread, control, double-check, cross-check, cinch, card, cover.

insure (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
protect by insurance
make certain of
take out insurance for