Quick Quiz: Nouns Score: Change category, Flip order Reset Incorrect! Try again. Noun: afp Your choice? common savannah monkey with greenish-gray back and yellow tail an addition that was not included in the original plan  (Noun: afterthought) erect perennial with stout stems and yellow-green flowers; southern Canada and southeastern United States an abnormally large amount of this fetoprotein in the fetus can signal an abnormality of the neural tube (as spina bifida or anencephaly)