layer vs artefact

layer and artefact both are nouns.

Word	Noun	Adjective	Verb	Adverb
layer	Yes	No	Yes	No
artefact	Yes	No	No	No

As nouns, artefact is a hypernym of layer; that is, artefact is a word with a broader meaning than layer:

Other hypernyms of layer include artifact.

layer (noun)	artefact (noun)
thin structure composed of a single thickness of cells	a man-made object taken as a whole
a hen that lays eggs
single thickness of usually some homogeneous substance
an abstract place usually conceived as having depth
a relatively thin sheetlike expanse or region lying over or under another

layer (verb)	artefact (verb)
make or form a layer