Suplement or Supplement: How To spell?
The word Suplement is misspelled against Supplement, a verb meaning "That which fills up, completes, or makes an addition to, something already organized, arranged, or set apart; specifically, a part added to, or issued as a continuation of, a book or paper, to make good its deficiencies or correct its errors."
Supplement has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings su & lement which should not be misspelled with single 'P'
Wrong Spelling:  su-p-lement  Correct Spelling:  su-pp-lement 
Check more misspelled words of Supplement to spell it correct.