ѳиваі́ды (sg,gen)
ѳиваі́дѣ (sg,dat/loc)
ѳѵваі́да* (sg,nom/acc)
ѳѵваі́ду* (du,gen/loc | sg,acc)
ѳѵваі́ды* (pl,nom | sg,gen/acc)
ѳѵваі́дѣ* (sg,dat | sg,loc | du,nom/acc)
ѳѵваі́дою* (sg,ins)
ѳѵваі́до* (sg,voc)
ѳѵваі́дъ* (pl,gen/acc)
ѳѵваі́дамъ* (pl,dat)
ѳѵваі́дахъ* (pl,loc)
ѳѵваі́дами* (pl,ins)
ѳѵваі́дама* (du,dat/ins)