face of the earth vs being

face of the earth and being both are nouns.

Word	Noun	Adjective	Verb	Adverb
face of the earth	Yes	No	No	No
being	Yes	No	No	No

As nouns, face of the earth and being are synonyms defined as:

Other synonyms of face of the earth include beingness, existence.

face of the earth (noun)	being (noun)
the state or fact of existing	a living thing that has (or can develop) the ability to act or function independently
	the state or fact of existing