Re: long o: Nominative

>> Could somebody tell me what class of nouns forms the nominative with long

o:?

>In Greek, nouns with the nominative in -o: are few (or perhaps only one),

and come from a stem in -oi

>...peitho:, "persuasion" (singular only)

There are several of these nouns in Greek. They are all feminine, and
mostly proper names.
Examples are Sappho:, Le:to:, Kalypso:, Gorgo: and hkho:

The vocative is -oî and sometimes the nominative has kept its final -i, as
in the spellings Le:to:i, and Sappho:i (with subscript iota in our texts).

Peter