lacrimal bone vs cranial orbit

lacrimal bone and cranial orbit both are nouns.

Word	Noun	Adjective	Verb	Adverb
lacrimal bone	Yes	No	No	No
cranial orbit	Yes	No	No	No

lacrimal bone (noun)	cranial orbit (noun)
small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts	the bony cavity in the skull containing the eyeball