Sindarin 

mellon

friend

1) (masc.) mellon (i vellon) (lover), pl. mellyn (i mellyn), coll. pl. mellonnath. Also meldir (i veldir), no distinct pl. form except with article (i meldir). Also seron (i heron, o seron), pl. seryn (i seryn), coll. pl. seronnath. 2) (fem.) meldis (i veldis), no distinct pl. form except with article (i meldis), coll. pl. meldissath.