I am curious about "cigaret," wiktionary says it is a dated form of cigarette. I have trouble looking at the graph without being distracted by "cigaret" but fi

I am curious about "cigaret," wiktionary says it is a dated form of cigarette. I have trouble looking at the graph without being distracted by "cigaret" but firefox's dictionary is not marking it as a misspelling so it must be accepted somewhere. Where is this spelling still commonplace?