tooth socket vs alveolus

tooth socket and alveolus both are nouns.

Word	Noun	Adjective	Verb	Adverb
tooth socket	Yes	No	No	No
alveolus	Yes	No	No	No

As nouns, tooth socket and alveolus are synonyms defined as:

tooth socket and alveolus: a bony socket in the alveolar ridge that holds a tooth

tooth socket (noun)	alveolus (noun)
a bony socket in the alveolar ridge that holds a tooth	a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
	a bony socket in the alveolar ridge that holds a tooth