sawhorse vs sawbuck

sawhorse and sawbuck both are nouns.

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

As nouns, sawhorse and sawbuck are synonyms defined as:

Other synonyms of sawhorse include buck, horse.

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