See also the related category latin.
Firminah is not commonly used as a baby girl name. It is not in the top 1000 names.
Baby names that sound like Firminah include Fermina, Ferminah, Farana, Farena, Farina, Farinna, Fermeana, Fermeena, Fermyna, Fiorenze, Firenza, Firmeana, Firmeena, Firmyna, Forenza, Francesca (Italian), Franchesca (English), Francheska (English), Francisca (Italian, Portuguese, and Spanish), and Franciska (Hungarian and Slavic).
† approx English pronunciation for Firminah: F as in "fee (F.IY)" ; ER as in "hurt (HH.ER.T)" ; M as in "me (M.IY)" ; IH as in "it (IH.T)" ; N as in "knee (N.IY)" ; AH as in "mud (M.AH.D)"