Declension table of sahasya

Neuter	Singular	Dual	Plural
Nominative	sahasyam	sahasye	sahasyāni
Vocative	sahasya	sahasye	sahasyāni
Accusative	sahasyam	sahasye	sahasyāni
Instrumental	sahasyena	sahasyābhyām	sahasyaiḥ
Dative	sahasyāya	sahasyābhyām	sahasyebhyaḥ
Ablative	sahasyāt	sahasyābhyām	sahasyebhyaḥ
Genitive	sahasyasya	sahasyayoḥ	sahasyānām
Locative	sahasye	sahasyayoḥ	sahasyeṣu

Compound sahasya -

Adverb -sahasyam -sahasyāt