'S e Omega (Ω, ω) an ceithir-ficheadamh litir den aibidil Ghreugach. Tha e co-ionnan ri o (fada) san aibidil againne.

Omega
Aibidil Ghreugach
Alpha | Beta | Gamma | Delta | Epsilon | (Fau) | (Stigma) | Zeta | Eta | (Heta) | Theta | Iota | Kappa | Lambda | Mu | Nu | Xi | Omicron | Pi | (San) | (Sho) | (Qoppa) | Rho | Sigma | Tau | Upsilon | Phi | Chi | Psi | Omega | (Sampi)