φρέαρ φρέατος
Of uncertain derivation; a hole in the ground (dug for obtaining or holding water or other purposes), i.e. A cistern or well; figuratively, an abyss (as a prison) -- well, pit.
φρέαρ (phrear) − 4 Occurrences
φρέατος (phreatos) − 3 Occurrences