Declension table of ?sūryaparvan

Neuter	Singular	Dual	Plural
Nominative	sūryaparva	sūryaparvṇī sūryaparvaṇī	sūryaparvāṇi
Vocative	sūryaparvan sūryaparva	sūryaparvṇī sūryaparvaṇī	sūryaparvāṇi
Accusative	sūryaparva	sūryaparvṇī sūryaparvaṇī	sūryaparvāṇi
Instrumental	sūryaparvaṇā	sūryaparvabhyām	sūryaparvabhiḥ
Dative	sūryaparvaṇe	sūryaparvabhyām	sūryaparvabhyaḥ
Ablative	sūryaparvaṇaḥ	sūryaparvabhyām	sūryaparvabhyaḥ
Genitive	sūryaparvaṇaḥ	sūryaparvaṇoḥ	sūryaparvaṇām
Locative	sūryaparvaṇi	sūryaparvaṇoḥ	sūryaparvasu

Compound sūryaparva -

Adverb -sūryaparva -sūryaparvam