The word Suplant is misspelled against Supplant, meaning "to take the place of, supersede"
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Supplant has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings su & lant which should not be misspelled with single 'P'
Wrong Spelling:  su-p-lant 
Correct Spelling:  su-pp-lant 
Check more misspelled words of Supplant to spell it correct.