tessellation vs apposition

tessellation and apposition both are nouns.

Word	Noun	Adjective	Verb	Adverb
tessellation	Yes	No	No	No
apposition	Yes	No	No	No

As nouns, apposition is a hypernym of tessellation; that is, apposition is a word with a broader meaning than tessellation:

Other hypernyms of tessellation include collocation, juxtaposition.

tessellation (noun)	apposition (noun)
the act of adorning with mosaic	the act of positioning close together (or side by side)
the careful juxtaposition of shapes in a pattern	(biology) growth in the thickness of a cell wall by the deposit of successive layers of material
	a grammatical relation between a word and a noun phrase that follows