spatial relation vs anterior

spatial relation and anterior both are nouns.

Word	Noun	Adjective	Verb	Adverb
spatial relation	Yes	No	No	No
anterior	Yes	Yes	No	No

spatial relation (noun)	anterior (noun)
the spatial property of a place where or way in which something is situated	a tooth situated at the front of the mouth

spatial relation (adjective)	anterior (adjective)
	of or near the head end or toward the front plane of a body
	earlier in time