The word Slaby is misspelled against Slabby, an adjective meaning "Sloppy; slimy; miry. See Sloppy."
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Slabby has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Sla & y which should not be misspelled with single 'B'
Wrong Spelling:  Sla-b-y 
Correct Spelling:  Sla-bb-y 
Browse incorrect spellings of Slabby to spell it good.