neither or none. According to the traditional rule, neither is used only to mean not one or the other of two. To refer to none of several, none is preferred: None (not neither) of the three opposition candidates would make a better president than the incumbent.
1
singular or plural. The traditional rule also holds that neither is grammatically singular: Neither candidate is having an easy time with the press. However, it is often used with a plural verb, especially when followed by of and a plural: Neither of the candidates are really expressing their own views.
2
neither (n)or. As a conjunction neither is properly followed by nor, not or, in formal style: Neither prayers nor curses (not or curses) did any good.