"The happy priestesses are praising the gods."

Translation: Kirini voktyssy jaehossa rijis.

[ZarrouguiL]

So the plural of jaes is jaehossa, and the accusative of jaehossa is jaehossa ?

[ValyrianSoGu]

Yes, indeed. You can always look into the declension tables to check that: https://wiki.dothraki.org/High_Valyrian_Noun_Declensions#R.C5.ABs_subtype

[ZarrouguiL]

Thank you so much for this link ! I've been searching any Valyrian database on the web and i found nothing serious except the Wikipedia page. It sure will help me a lot.