sawbuck vs sawhorse

sawbuck and sawhorse both are nouns.

Word	Noun	Adjective	Verb	Adverb
sawbuck	Yes	No	No	No
sawhorse	Yes	No	No	No

As nouns, sawbuck and sawhorse are synonyms defined as:

Other synonyms of sawbuck include buck, horse.

sawbuck (noun)	sawhorse (noun)
a framework for holding wood that is being sawed	a framework for holding wood that is being sawed