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glottis vs. epiglottis

glottis
[glot-is] / ˈglɒt ɪs /

noun

Anatomy.
  • glottises,
    plural
  • glottides
    plural

  1. the opening at the upper part of the larynx, between the vocal cords.

epiglottis
[ep-i-glot-is] / ˌɛp ɪˈglɒt ɪs /

noun

Anatomy.
  • epiglottises,
    plural
  • epiglottides
    plural

  1. a thin, valvelike, cartilaginous structure that covers the glottis during swallowing, preventing the entrance of food and drink into the larynx.