stinker vs artifact

stinker and artifact both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinker	Yes	No	No	No
artifact	Yes	No	No	No

As nouns, artifact is a hypernym of stinker; that is, artifact is a word with a broader meaning than stinker:

stinker: an artifact (especially an automobile) that is defective or unsatisfactory
artifact: a man-made object taken as a whole

Other hypernyms of stinker include artefact.

stinker (noun)	artifact (noun)
an artifact (especially an automobile) that is defective or unsatisfactory	a man-made object taken as a whole
anything that gives off an offensive odor (especially a cheap cigar)
a person who is deemed to be despicable or contemptible