Declension table of ?sāmasthya

Neuter	Singular	Dual	Plural
Nominative	sāmasthyam	sāmasthye	sāmasthyāni
Vocative	sāmasthya	sāmasthye	sāmasthyāni
Accusative	sāmasthyam	sāmasthye	sāmasthyāni
Instrumental	sāmasthyena	sāmasthyābhyām	sāmasthyaiḥ
Dative	sāmasthyāya	sāmasthyābhyām	sāmasthyebhyaḥ
Ablative	sāmasthyāt	sāmasthyābhyām	sāmasthyebhyaḥ
Genitive	sāmasthyasya	sāmasthyayoḥ	sāmasthyānām
Locative	sāmasthye	sāmasthyayoḥ	sāmasthyeṣu

Compound sāmasthya -

Adverb -sāmasthyam -sāmasthyāt