coincidence vs spatial relation

coincidence and spatial relation both are nouns.

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

As nouns, spatial relation is a hypernym of coincidence; that is, spatial relation is a word with a broader meaning than coincidence:

coincidence: the quality of occupying the same position or area in space
spatial relation: the spatial property of a place where or way in which something is situated

Other hypernyms of coincidence include position.

coincidence (noun)	spatial relation (noun)
the temporal property of two things happening at the same time	the spatial property of a place where or way in which something is situated
the quality of occupying the same position or area in space
an event that might have been arranged although it was really accidental