syncopate

/S IH1 NG K AH0 P EY0 T/
verb
  1. 1

    To omit a vocalic or consonantal sound or a syllable from a word; to use syncope

  2. 2

    To stress or accentuate the weak beat of a rhythm; to use syncopation

Source: https://en.wiktionary.org/wiki/syncopate