sawbones vs surgeon

sawbones and surgeon both are nouns.

Word	Noun	Adjective	Verb	Adverb
sawbones	Yes	No	No	No
surgeon	Yes	No	No	No

As nouns, sawbones and surgeon are synonyms defined as:

Other synonyms of sawbones include operating surgeon.

sawbones (noun)	surgeon (noun)
a physician who specializes in surgery	a physician who specializes in surgery