The word Abscises is misspelled against Abscisses, which is plural of "Absciss"
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Abscisses has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings absci & es which should not be misspelled with single 'S'
Wrong Spelling:  absci-s-es 
Correct Spelling:  absci-ss-es 
Find more wrongly spelled words of Abscisses to spell it well.