cheat vs crib

cheat and crib both are nouns.

Word	Noun	Adjective	Verb	Adverb
cheat	Yes	No	Yes	No
crib	Yes	No	Yes	No

As verbs, crib is a hyponym of cheat; that is, crib is a word with a more specific, narrower meaning than cheat:

Other hyponyms of cheat include job, shark, rig, set up, cozen, cook, fake, falsify, fudge, manipulate, misrepresent, wangle.

cheat (noun)	crib (noun)
a deception for profit to yourself	a card game (usually for two players) in which each player is dealt six cards and discards one or two
the act of swindling by some fraudulent scheme	the cards discarded by players at cribbage
someone who leads you to believe something that is not true	baby bed with high sides made of slats
weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous	a bin or granary for storing grains
weedy annual native to Europe but widely distributed as a weed especially in wheat	a literal translation used in studying a foreign language (often used illicitly)

cheat (verb)	crib (verb)
defeat someone through trickery or deceit	line with beams or planks
deprive somebody of something by deceit	take unauthorized (intellectual material)
engage in deceitful behavior; practice trickery or fraud	use a crib, as in an exam
be sexually unfaithful to one's partner in marriage