diethylstilboestrol vs stilbestrol

diethylstilboestrol and stilbestrol both are nouns.

Word	Noun	Adjective	Verb	Adverb
diethylstilboestrol	Yes	No	No	No
stilbestrol	Yes	No	No	No

As nouns, diethylstilboestrol and stilbestrol are synonyms defined as:

diethylstilboestrol and stilbestrol: a potent estrogen used in medicine and in feed for livestock and poultry

Other synonyms of diethylstilboestrol include DES, diethylstilbestrol, stilboestrol.

diethylstilboestrol (noun)	stilbestrol (noun)
a potent estrogen used in medicine and in feed for livestock and poultry	a potent estrogen used in medicine and in feed for livestock and poultry