Examples from the Web for penultima
With no vowel before the penultima the long quality is, as usual, preserved, as in 'satiety'.
A fully stressed vowel before a mute and r, or before d or pl, was pronounced long in the penultima.
Cesarĕa is decidedly a Latin word Grcised, and yet it is usual to read this with an accent on the penultima.
He finds that the penultima of infinitivus is long, and he therefore says ĭnfĭnĭtīvŭs.
But Ἀργυρία, with the accent on the penultima, becomes the name of a town.