stilbestrol vs stilboestrol

stilbestrol and stilboestrol both are nouns.

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

As nouns, stilbestrol and stilboestrol are synonyms defined as:

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

Other synonyms of stilbestrol include DES, diethylstilbestrol, diethylstilboestrol.

stilbestrol (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