Declension table of ?aśvayu

Masculine	Singular	Dual	Plural
Nominative	aśvayuḥ	aśvayū	aśvayavaḥ
Vocative	aśvayo	aśvayū	aśvayavaḥ
Accusative	aśvayum	aśvayū	aśvayūn
Instrumental	aśvayunā	aśvayubhyām	aśvayubhiḥ
Dative	aśvayave	aśvayubhyām	aśvayubhyaḥ
Ablative	aśvayoḥ	aśvayubhyām	aśvayubhyaḥ
Genitive	aśvayoḥ	aśvayvoḥ	aśvayūnām
Locative	aśvayau	aśvayvoḥ	aśvayuṣu

Compound aśvayu -

Adverb -aśvayu