Black Speech

nazgûl

noun. Ring-wraith

Black Speech [Let/178; Let/382; LotR/0839; LotRI/Nazgûl; LotRI/Ringwraiths; LT2I/Nazgûl; PE17/011; PE17/031; PE17/079; PE17/125; PMI/Nazgûl; RC/762; RSI/Nazgûl; S/296; SDI1/Nazgûl; SI/Nazgûl; SI/Ring-wraiths; TI/389; TII/Nazgûl; UTI/Nazgûl; WRI/Nazgûl] Group: Eldamo. Published by

Nazgûl

Nazgûl

Nazgûl means "ringwraiths" in the Black Speech (consisting of nazg + gûl).

Black Speech [Tolkien Gateway] Published by

Nazgûl

noun. Ringwraiths

Black Speech [PE17/11] Published by

Quenya 

úlairi

nazgûl

Úlairi pl. noun "Nazgûl" (sg. *Úlairë*? Úlair**?) Etymology obscure.