Declension table of ?suprayāvan

Masculine	Singular	Dual	Plural
Nominative	suprayāvā	suprayāvāṇau	suprayāvāṇaḥ
Vocative	suprayāvan	suprayāvāṇau	suprayāvāṇaḥ
Accusative	suprayāvāṇam	suprayāvāṇau	suprayāvṇaḥ
Instrumental	suprayāvṇā	suprayāvabhyām	suprayāvabhiḥ
Dative	suprayāvṇe	suprayāvabhyām	suprayāvabhyaḥ
Ablative	suprayāvṇaḥ	suprayāvabhyām	suprayāvabhyaḥ
Genitive	suprayāvṇaḥ	suprayāvṇoḥ	suprayāvṇām
Locative	suprayāvṇi suprayāvaṇi	suprayāvṇoḥ	suprayāvasu

Compound suprayāva -

Adverb -suprayāvam