human chorionic gonadotropin vs HCG

human chorionic gonadotropin and HCG both are nouns.

Word	Noun	Adjective	Verb	Adverb
human chorionic gonadotropin	Yes	No	No	No
HCG	Yes	No	No	No

As nouns, human chorionic gonadotropin and HCG are synonyms defined as:

human chorionic gonadotropin and HCG: hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test

Other synonyms of human chorionic gonadotropin include human chorionic gonadotrophin.

human chorionic gonadotropin (noun)	HCG (noun)
hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test	hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test