glandular disease vs gland disease

glandular disease and gland disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
glandular disease	Yes	No	No	No
gland disease	Yes	No	No	No

As nouns, glandular disease and gland disease are synonyms defined as:

glandular disease and gland disease: a disorder of the glands of the body

Other synonyms of glandular disease include adenosis, glandular disorder.

glandular disease (noun)	gland disease (noun)
a disorder of the glands of the body	a disorder of the glands of the body