Yes, you must pronounce the "Z" & "S" sounds exactly as written (e.g, as in "zoo" or "silly"). The first letters—"S" & "C"—are both pronounced like "S."
February 1, 2015
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yes , there is a difference.
February 1, 2015
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Yes, the S hisses--there is no voice, just a hiss. The Z hums and hisses at the same time. The "z" is "seize" is just as loud and evident as it is anywhere else.