control vs spot-check

control is a noun but spot-check is not a noun.

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

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

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

control (noun)	spot-check (noun)
the activity of managing or exerting control over something
(physiology) regulation or maintenance of a function or action or reflex etc
a mechanism that controls the operation of a machine
power to direct or determine
discipline in personal and social activities
great skillfulness and knowledge of some subject or activity
a standard against which other conditions can be compared in a scientific experiment
the economic policy of controlling or limiting or curbing prices or wages etc.
a spiritual agency that is assumed to assist the medium during a seance
a relation of constraint of one entity (thing or person or group) by another
the state that exists when one person or group has power over another

control (verb)	spot-check (verb)
have a firm understanding or knowledge of; be on top of	pick out random samples for examination in order to ensure high quality
be careful or certain to do something; make certain of something
verify by using a duplicate register for comparison
handle and cause to function
maintain influence over (others or oneself) skillfully, usually to one's advantage
exercise authoritative control or power over
lessen the intensity of; temper; hold in restraint; hold or keep within limits
check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard
place under restrictions; limit access to by law