laryngopharynx

is likely misspelled.

has no English definition.

As a noun laryngopharynx

is the part of the pharynx below and behind the larynx.

As a noun laryngopharynx

is (anatomy) the part of the pharynx below and behind the larynx.

Laryngopharynx is a synonym of hypopharynx.

In anatomy terms the difference between hypopharynx and laryngopharynx

is that hypopharynx is bottom part of the pharynx, the part of the throat that connects to the esophagus while laryngopharynx is the part of the pharynx below and behind the larynx.

As nouns the difference between larynx and laryngopharynx

is that larynx is an organ of the neck of mammals involved in breath control, protection of the trachea and sound production, housing the vocal cords, and that is situated at the point where the upper tract splits into the trachea and the oesophagus/esophagus while laryngopharynx is the part of the pharynx below and behind the larynx.