See also the related category hebrew.
Shabbat is seldom used as a baby name for boys. It is not in the top 1000 names.
Baby names that sound like Shabbat include Safwat (Arabic), Shabat, Shabatt, Shabbatt, Speedee, Speedie, Speedy, Swiftea, Swiftey, Swifti, Swiftie, Swifty, Tiobaid (Scottish), Tiobóid (Irish), Sabiti, Savita (Indian), Speed, Spud (English), Swift, and Swifte.
† approx English pronunciation for Shabbat: SH as in "she (SH.IY)" ; AE as in "at (AE.T)" ; B as in "be (B.IY)" ; T as in "tee (T.IY)"