sawbones vs physician

sawbones and physician both are nouns.

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

As nouns, physician is a hypernym of sawbones; that is, physician is a word with a broader meaning than sawbones:

Other hypernyms of sawbones include doc, doctor, Dr., MD, medico.

sawbones (noun)	physician (noun)
a physician who specializes in surgery	a licensed medical practitioner