@rzeta0
The pronunciation of the names of Greek letters by native English speakers seems to be a matter of taste 🙂
In Britain, ϕ is normally 'fye' and π is 'pie', but linguistically I suspect that 'fee' and 'pee' make more sense.
Also, why do Americans pronounce β and ζ as 'bayda' and 'zayda'?!
Also, also, I believe Germans tend to pronounce ζ (et al) with a short 'e' sound (which feels kind of sensible) - i.e. 'zetta'.
What we need is a proper Greek #mathematician to tell us all how say them!