alpha fetoprotein vs alpha foetoprotein

alpha fetoprotein and alpha foetoprotein both are nouns.

Word	Noun	Adjective	Verb	Adverb
alpha fetoprotein	Yes	No	No	No
alpha foetoprotein	Yes	No	No	No

As nouns, alpha fetoprotein and alpha foetoprotein are synonyms defined as:

alpha fetoprotein and alpha foetoprotein: an abnormally large amount of this fetoprotein in the fetus can signal an abnormality of the neural tube (as spina bifida or anencephaly)

Other synonyms of alpha fetoprotein include AFP.

alpha fetoprotein (noun)	alpha foetoprotein (noun)
an abnormally large amount of this fetoprotein in the fetus can signal an abnormality of the neural tube (as spina bifida or anencephaly)	an abnormally large amount of this fetoprotein in the fetus can signal an abnormality of the neural tube (as spina bifida or anencephaly)