Neither-Nither | Commonly Confused Words

Nither

/ˈnaɪðər/

An archaic or dialectal term meaning 'neither', used to denote 'not the one nor the other of two people or things'.

/ˈnaɪðə/

Used to indicate that none of the options are true or applicable.

If you go away, neither will survive.Neither noise, nor breath!You're not alone in this – neither am I.

Neither is used commonly in standard English, while nither is a non-standard variation often seen in dialects.
Remember that neither contains ei, similar to the phrase either or neither.
Nither might appear in dialectical speech where pronunciation is less formal. But for formal writing, stick to neither.