Declension table of ?sūryāvasu

Masculine	Singular	Dual	Plural
Nominative	sūryāvasuḥ	sūryāvasū	sūryāvasavaḥ
Vocative	sūryāvaso	sūryāvasū	sūryāvasavaḥ
Accusative	sūryāvasum	sūryāvasū	sūryāvasūn
Instrumental	sūryāvasunā	sūryāvasubhyām	sūryāvasubhiḥ
Dative	sūryāvasave	sūryāvasubhyām	sūryāvasubhyaḥ
Ablative	sūryāvasoḥ	sūryāvasubhyām	sūryāvasubhyaḥ
Genitive	sūryāvasoḥ	sūryāvasvoḥ	sūryāvasūnām
Locative	sūryāvasau	sūryāvasvoḥ	sūryāvasuṣu

Compound sūryāvasu -

Adverb -sūryāvasu