From an obsolete primary pheno (to slay); murder -- murder, + be slain with, slaughter.

φόνοι (phonoi) − 2 Occurrences

φόνον (phonon) − 3 Occurrences

φόνου (phonou) − 2 Occurrences

φόνῳ (phonō) − 1 Occurrence

φόνων (phonōn) − 1 Occurrence