acylglycerol vs glyceryl ester

acylglycerol and glyceryl ester both are nouns.

Word	Noun	Adjective	Verb	Adverb
acylglycerol	Yes	No	No	No
glyceryl ester	Yes	No	No	No

As nouns, glyceryl ester is a hypernym of acylglycerol; that is, glyceryl ester is a word with a broader meaning than acylglycerol:

acylglycerol: an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils
glyceryl ester: an ester of glycerol

Other hypernyms of acylglycerol include animal oil.

acylglycerol (noun)	glyceryl ester (noun)
an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils	an ester of glycerol