Declension table of ?sūryaka

Neuter	Singular	Dual	Plural
Nominative	sūryakam	sūryake	sūryakāṇi
Vocative	sūryaka	sūryake	sūryakāṇi
Accusative	sūryakam	sūryake	sūryakāṇi
Instrumental	sūryakeṇa	sūryakābhyām	sūryakaiḥ
Dative	sūryakāya	sūryakābhyām	sūryakebhyaḥ
Ablative	sūryakāt	sūryakābhyām	sūryakebhyaḥ
Genitive	sūryakasya	sūryakayoḥ	sūryakāṇām
Locative	sūryake	sūryakayoḥ	sūryakeṣu

Compound sūryaka -

Adverb -sūryakam -sūryakāt