ragtag and bobtail vs folk

ragtag and bobtail and folk both are nouns.

Word	Noun	Adjective	Verb	Adverb
ragtag and bobtail	Yes	No	No	No
folk	Yes	No	No	No

As nouns, folk is a hypernym of ragtag and bobtail; that is, folk is a word with a broader meaning than ragtag and bobtail:

Other hypernyms of ragtag and bobtail include common people, folks.

ragtag and bobtail (noun)	folk (noun)
disparaging terms for the common people	the traditional and typically anonymous music that is an expression of the life of people in a community
	people in general (often used in the plural)
	a social division of (usually preliterate) people
	people descended from a common ancestor