If you are implying that the word facetious has a shared linguistic root with the word fascist you're wrong.
G.
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fa·ce·tious    Pronunciation Key (f-sshs)
adj.

    Playfully jocular; humorous: facetious remarks.


[French facétieux, from facétie, jest, from Latin factia, from factus, witty.]
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fas·cist    Pronunciation Key (fshst)
n.

   1. often Fascist An advocate or adherent of fascism.
   2. A reactionary or dictatorial person.


adj.

   1. often Fascist Of, advocating, or practicing fascism.
   2. Fascist Of or relating to the regime of the Fascisti.


[Italian fascista, from fascio, group. See fascism.]fas·cistic (f-shstk) adj.