We don't have synonyms for nates yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are nares, mates and names.
"1963: Enderby watched her warily as she lay prone, having kicked the clothes off the bed, her nates silvered by the Roman moonlight to the likeness of a meringue. -- Anthony Burgess, Inside Mr Enderby"
"1963: Enderby watched her warily as she lay prone, having kicked the clothes off the bed, her nates silvered by the Roman moonlight to the likeness of a meringue. -- Anthony Burgess, Inside Mr Enderby"