gum ridge vs alveolar ridge

gum ridge and alveolar ridge both are nouns.

Word	Noun	Adjective	Verb	Adverb
gum ridge	Yes	No	No	No
alveolar ridge	Yes	No	No	No

As nouns, gum ridge and alveolar ridge are synonyms defined as:

gum ridge and alveolar ridge: a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth

Other synonyms of gum ridge include alveolar process.

gum ridge (noun)	alveolar ridge (noun)
a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth	a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth