formants

/F AO1 R M AH0 N T S/
noun
  1. 1

    A band of frequencies, in a sound spectrum, that have a greater intensity; they determine the quality of a sound; especially the characteristic sounds of the consonants.

  2. 2

    A morpheme occurring as an affix to a root or stem, forming an extended root or stem.

Source: https://en.wiktionary.org/wiki/formant, https://en.wiktionary.org/wiki/formants