saw vs locution

saw and locution both are nouns.

Word	Noun	Adjective	Verb	Adverb
saw	Yes	No	Yes	No
locution	Yes	No	No	No

As nouns, locution is a hypernym of saw; that is, locution is a word with a broader meaning than saw:

saw: a condensed but memorable saying embodying some important fact of experience that is taken as true by many people
locution: a word or phrase that particular people use in particular situations

Other hypernyms of saw include expression, saying.

saw (noun)	locution (noun)
hand tool having a toothed blade for cutting	a word or phrase that particular people use in particular situations
a power tool for cutting wood
a condensed but memorable saying embodying some important fact of experience that is taken as true by many people

saw (verb)	locution (verb)
cut with a saw