Declension table of ?sāmastya

Neuter	Singular	Dual	Plural
Nominative	sāmastyam	sāmastye	sāmastyāni
Vocative	sāmastya	sāmastye	sāmastyāni
Accusative	sāmastyam	sāmastye	sāmastyāni
Instrumental	sāmastyena	sāmastyābhyām	sāmastyaiḥ
Dative	sāmastyāya	sāmastyābhyām	sāmastyebhyaḥ
Ablative	sāmastyāt	sāmastyābhyām	sāmastyebhyaḥ
Genitive	sāmastyasya	sāmastyayoḥ	sāmastyānām
Locative	sāmastye	sāmastyayoḥ	sāmastyeṣu

Compound sāmastya -

Adverb -sāmastyam -sāmastyāt