Same:
Opposite/different:
Hetero-
Prefixes
Fixed/joined:
Syn-
Homo-
Sym- (“b” “m” “f” “p” “ph”)
Without/lack of:
A- (if before consonant)
An- (if before vowel)
Over/upon:
Epi-
Outside of/beyond/in addition to:
Extra-
Below/under:
Infra-
Sub-
Beyond/after:
Meta-