common vs familiar

common and familiar both are nouns.

Word	Noun	Adjective	Verb	Adverb
common	Yes	Yes	No	No
familiar	Yes	Yes	No	No

common (noun)	familiar (noun)
a piece of open land for recreational use in an urban area	a spirit (usually in animal form) that acts as an assistant to a witch or wizard
	a person attached to the household of a high official (as a pope or bishop) who renders service in return for support
	a friend who is frequently in the company of another

common (adjective)	familiar (adjective)
having no special distinction or quality; widely known or commonly encountered; average or ordinary or usual	well known or easily recognized
belonging to or participated in by a community as a whole; public	within normal everyday experience; common and ordinary; not strange
commonly encountered	having mutual interests or affections; of established friendship
of low or inferior quality or value	(usually followed by `with') well informed about or knowing thoroughly
being or characteristic of or appropriate to everyday language
of or associated with the great masses of people
to be expected; standard
common to or shared by two or more parties
lacking refinement or cultivation or taste