DES vs stilboestrol

DES and stilboestrol both are nouns.

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

As nouns, DES and stilboestrol are synonyms defined as:

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

Other synonyms of DES include diethylstilbestrol, diethylstilboestrol, stilbestrol.

DES (noun)	stilboestrol (noun)
synthetic nonsteroid with the properties of estrogen; formerly used to treat menstrual problems but was found to be associated with vaginal cancers in the daughters of women so treated during pregnancy	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