diethylstilboestrol vs stilboestrol

diethylstilboestrol and stilboestrol both are nouns.

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

As nouns, diethylstilboestrol and stilboestrol are synonyms defined as:

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

Other synonyms of diethylstilboestrol include DES, diethylstilbestrol, stilbestrol.

diethylstilboestrol (noun)	stilboestrol (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