tooth socket vs alveolar ridge

tooth socket and alveolar ridge both are nouns.

Word	Noun	Adjective	Verb	Adverb
tooth socket	Yes	No	No	No
alveolar ridge	Yes	No	No	No

tooth socket (noun)	alveolar ridge (noun)
a bony socket in the alveolar ridge that holds a tooth	a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth