Ouzhpennet : Yaoued, Yaoueneg, yaourt, yaourterez, yaouvezhiad, yariñ, Yarig-hech-Evned, yariñ, yar-Spagn, yar-vor, yar-zour... Yemen, Yemenad, yeot, Yestinieg, yeti, yezhadurour, yod-avaloù, yodek, yod-kerch, yoga, yostañ, youadeg, youadenn, youal, youchou, you-hou-hou, yourchez, yourt, Yuzev, yuzev-ha-kristen.