real name written backwards, 1867, from Greek ana "back" (see ana-) + onyme "name" (from PIE root *no-men- "name"). Properly anonym, but this has another sense in English.
anamorphism
anamorphosis
anan
ananda
Ananias
ananym
anapeiratic
anapest
anapestic
anaphalantiasis
anaphase