germ layer vs entoderm

germ layer and entoderm both are nouns.

Word	Noun	Adjective	Verb	Adverb
germ layer	Yes	No	No	No
entoderm	Yes	No	No	No

As nouns, entoderm is a hyponym of germ layer; that is, entoderm is a word with a more specific, narrower meaning than germ layer:

germ layer: (embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
entoderm: the inner germ layer that develops into the lining of the digestive and respiratory systems

Other hyponyms of germ layer include ectoblast, ectoderm, exoderm, mesoblast, mesoderm, endoblast, endoderm, entoblast, hypoblast.

germ layer (noun)	entoderm (noun)
(embryology) any of the 3 layers of cells differentiated in embryos following gastrulation	the inner germ layer that develops into the lining of the digestive and respiratory systems