The word Supling is misspelled against Suppling, which is present continuous of "Supple"
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Suppling has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings su & ling which should not be misspelled with single 'P'
Wrong Spelling: su-p-ling
Correct Spelling: su-pp-ling
Check more misspelled words of Suppling to spell it correct.