Synonyms of orifice

1 Syllable
gill, vent, crack, pore, slit, spout, hole, mouth, jaw, gap
2 Syllables
window, poring, pored, jawing, jawed, outlet
3 Syllables
maxillae, cavity, porthole, opening, mandible, foramen
4 Syllables
ventilator, embouchement, aperture, interspace