The difference between Saliva and Spittle
When used as nouns, saliva means a clear, slightly alkaline liquid secreted into the mouth by the salivary glands and mucous glands, consisting of water, mucin, protein, and enzymes. it moistens the mouth, lubricates ingested food, and begins the breakdown of starches, whereas spittle means spit, usually frothy and of a milky coloration.
Spittle is also verb with the meaning: to dig or stir with a small spade.
check bellow for the other definitions of Saliva and Spittle
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Saliva as a noun (physiology):
A clear, slightly alkaline liquid secreted into the mouth by the salivary glands and mucous glands, consisting of water, mucin, protein, and enzymes. It moistens the mouth, lubricates ingested food, and begins the breakdown of starches.
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Spittle as a noun:
Spit, usually frothy and of a milky coloration.
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Spittle as a noun:
Something frothy and white that resembles spit.
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Spittle as a noun:
Spit-up or drool of an infant.
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Spittle as a noun:
A small sort of spade.
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Spittle as a noun:
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Spittle as a verb:
To dig or stir with a small spade.