Declension table of ?hayadānava

Masculine	Singular	Dual	Plural
Nominative	hayadānavaḥ	hayadānavau	hayadānavāḥ
Vocative	hayadānava	hayadānavau	hayadānavāḥ
Accusative	hayadānavam	hayadānavau	hayadānavān
Instrumental	hayadānavena	hayadānavābhyām	hayadānavaiḥ hayadānavebhiḥ
Dative	hayadānavāya	hayadānavābhyām	hayadānavebhyaḥ
Ablative	hayadānavāt	hayadānavābhyām	hayadānavebhyaḥ
Genitive	hayadānavasya	hayadānavayoḥ	hayadānavānām
Locative	hayadānave	hayadānavayoḥ	hayadānaveṣu

Compound hayadānava -

Adverb -hayadānavam -hayadānavāt