spit vs salivary gland

spit and salivary gland both are nouns.

Word	Noun	Adjective	Verb	Adverb
spit	Yes	No	Yes	No
salivary gland	Yes	No	No	No

spit (noun)	salivary gland (noun)
the act of spitting (forcefully expelling saliva)	any of three pairs of glands in the mouth and digestive system that secrete saliva for digestion
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

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