cavity Synonyms

tooth decay dental caries caries pit cavern gap pocket void chamber recess cavum sinus space depression enclosed space hole hollow indentation resonator subocular suborbital stoma rift slot sac socket sacculated sacculus sandpit shole subterrane orifice preterition kloof lacuna lesion manhole matrix nasopharyngeal nectocalyx niche nook notch opening orbital penetralia perforation footmark pothole intraventricular