lynch mob vs mob

lynch mob and mob both are nouns.

Word	Noun	Adjective	Verb	Adverb
lynch mob	Yes	No	No	No
mob	Yes	No	Yes	No

As nouns, mob is a hypernym of lynch mob; that is, mob is a word with a broader meaning than lynch mob:

lynch mob: a mob that kills a person for some presumed offense without legal authority
mob: a disorderly crowd of people

Other hypernyms of lynch mob include rabble, rout.

lynch mob (noun)	mob (noun)
a mob that kills a person for some presumed offense without legal authority	a disorderly crowd of people
	an association of criminals
	a loose affiliation of gangsters in charge of organized criminal activities

lynch mob (verb)	mob (verb)
	press tightly together or cram