Addendum

'Addendum' is Latin for 'having to be added', in other words: What went before isn't quite enough, we have to add some further explanation.
Greek letter  γάμμα is sometimes pronounced like English n in finger, ink, anxiety.


When?
  1. In front of a μῦ 
         αἴνιγμα
    διάφραγμα
    δόγμα
    ζεῦγμα
    πρᾶγμα
    στίγμα
    φλέγμα
  2. and when it was supposed to be a ν anyway: Before  γ κ ξ χ  ν changes to γ but is pronounced 'ng' like in ringer.
    • γγελος pronounced nearly like our angle, (not 'angel') and meaning 'messenger' (not only from God)
    • γκυρα 'anchor'
    • σφί γξ the Sphinx in Egypt (mythological figure)
    • γχώριος meaning 'inhabitant' and made up of:
      ἐν meaning 'in' and
      χωρίον meaning country, countryside, locale