Final answer:
The Greek symbol ζ stands for the Greek letter Zeta, and ω stands for the Greek letter Omega.
Step-by-step explanation:
The Greek symbol ζ stands for the Greek letter Zeta. In English, it is spelled out as 'zeta'.
The Greek symbol ω stands for the Greek letter Omega. In English, it is spelled out as 'omega'.
The Greek symbol ζ (zeta) stands for the letter zeta, which is spelled out in English as Z-E-T-A. The Greek symbol ω (omega) stands for the letter omega, which is spelled out in English as O-M-E-G-A.