Bodily cavity and Nasal cavity

Bodily cavity noun - (anatomy) a natural hollow or sinus within the body.

Nasal cavity and bodily cavity are semantically related. In some cases you can replace phrase "Nasal cavity" with "Bodily cavity", this phrases are similar.

Nasal cavity noun - Either of the two cavities lying between the floor of the cranium and the roof of the mouth and extending from the face to the pharynx.

Bodily cavity and nasal cavity are semantically related. You can use "Bodily cavity" instead a noun phrase "Nasal cavity".