fo·ra·men^[1]

aperture
hole
opening

Synonyms for foramen

cavum – a hollow, cavity, depression, excavation, hole, pit
cavus – hole, pit
foraminis – aperture, hole, opening
foris – a door, abroad, entrance, from abroad, from outside, opening, out of doors, outside
oris – a mask, countenance, expression, face, mouth, opening, sight, source
os – a mask, countenance, expression, face, mouth, opening, sight, source

Similar to foramen

forabilis – penetrable
foraminis – aperture, hole, opening
fodio – jab, sting, to prick
foliatus – leafy
folium – leaf
fomentum – alleviation, nourishment, poultice
fomes – incentive, motive, stimulus, tinder
fomeus – smoke, smoky
fomitis – tinder
foras – dare = to publish, out of doors, outside, without