Declension table of ?sayūthya

Neuter	Singular	Dual	Plural
Nominative	sayūthyam	sayūthye	sayūthyāni
Vocative	sayūthya	sayūthye	sayūthyāni
Accusative	sayūthyam	sayūthye	sayūthyāni
Instrumental	sayūthyena	sayūthyābhyām	sayūthyaiḥ
Dative	sayūthyāya	sayūthyābhyām	sayūthyebhyaḥ
Ablative	sayūthyāt	sayūthyābhyām	sayūthyebhyaḥ
Genitive	sayūthyasya	sayūthyayoḥ	sayūthyānām
Locative	sayūthye	sayūthyayoḥ	sayūthyeṣu

Compound sayūthya -

Adverb -sayūthyam -sayūthyāt