tile vs tessellate

tile is a noun but tessellate is not a noun.

Word	Noun	Adjective	Verb	Adverb
tile	Yes	No	Yes	No
tessellate	No	No	Yes	No

As verbs, tessellate is a hyponym of tile; that is, tessellate is a word with a more specific, narrower meaning than tile:

tile (noun)	tessellate (noun)
a flat thin rectangular slab (as of fired clay or rubber or linoleum) used to cover surfaces
game equipment consisting of a flat thin piece marked with characters and used in board games like Mah-Jong, Scrabble, etc.
a thin flat slab of fired clay used for roofing

tile (verb)	tessellate (verb)
cover with tiles	tile with tesserae
	fit together exactly, of identical shapes