spittle vs saliva

spittle and saliva both are nouns.

Word	Noun	Adjective	Verb	Adverb
spittle	Yes	No	No	No
saliva	Yes	No	No	No

As nouns, spittle and saliva are synonyms defined as:

spittle and saliva: 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

Other synonyms of spittle include spit.

spittle (noun)	saliva (noun)
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 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