Declension table of ?śreṣya

Neuter	Singular	Dual	Plural
Nominative	śreṣyam	śreṣye	śreṣyāṇi
Vocative	śreṣya	śreṣye	śreṣyāṇi
Accusative	śreṣyam	śreṣye	śreṣyāṇi
Instrumental	śreṣyeṇa	śreṣyābhyām	śreṣyaiḥ
Dative	śreṣyāya	śreṣyābhyām	śreṣyebhyaḥ
Ablative	śreṣyāt	śreṣyābhyām	śreṣyebhyaḥ
Genitive	śreṣyasya	śreṣyayoḥ	śreṣyāṇām
Locative	śreṣye	śreṣyayoḥ	śreṣyeṣu

Compound śreṣya -

Adverb -śreṣyam -śreṣyāt