pavement vs artefact

pavement and artefact both are nouns.

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

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

Other hypernyms of pavement include artifact.

pavement (noun)	artefact (noun)
the paved surface of a thoroughfare	a man-made object taken as a whole
walk consisting of a paved area for pedestrians; usually beside a street or roadway
material used to pave an area