Quenya 

-ya

dad

-ya (3) suffix of endearment, attested in Anardilya as an intimate form of the name Anardil (UT:174, 418), possibly also occurring in atya "dad", emya "mum" (q.v.) The forms ataryo "daddy" and amilyë "mummy" (q.v.) may contain gender-specific variants -yo masc. and - fem.