skewer vs spit

skewer and spit both are nouns.

Word	Noun	Adjective	Verb	Adverb
skewer	Yes	No	Yes	No
spit	Yes	No	Yes	No

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

As verbs, skewer and spit are synonyms defined as:

skewer (noun)	spit (noun)
a long pin for holding meat in position while it is being roasted	the act of spitting (forcefully expelling saliva)
	a skewer for holding meat over a fire
	a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth; moistens the mouth and starts the digestion of starches
	a narrow strip of land that juts out into the sea

skewer (verb)	spit (verb)
drive a skewer through	expel or eject (saliva or phlegm or sputum) from the mouth
	utter with anger or contempt
	drive a skewer through
	rain gently