Do we say artefact or artifact

artefact 2 occurrences

By the latter Hobbes refers especially to the state as a human artefact.

The universal is a human artefact.

artifact 2 occurrences

Every successful new medium has traded off its artifact-ness the degree to which it was populated by bespoke hunks of atoms, cleverly nailed together by master craftspeople for ease of reproduction.

Each bit of handiwork, each artifact, tool and machine is an expression of man's wish and will.

Do we say   artefact   or  artifact