Declension table of ?hastavāpa

Masculine	Singular	Dual	Plural
Nominative	hastavāpaḥ	hastavāpau	hastavāpāḥ
Vocative	hastavāpa	hastavāpau	hastavāpāḥ
Accusative	hastavāpam	hastavāpau	hastavāpān
Instrumental	hastavāpena	hastavāpābhyām	hastavāpaiḥ hastavāpebhiḥ
Dative	hastavāpāya	hastavāpābhyām	hastavāpebhyaḥ
Ablative	hastavāpāt	hastavāpābhyām	hastavāpebhyaḥ
Genitive	hastavāpasya	hastavāpayoḥ	hastavāpānām
Locative	hastavāpe	hastavāpayoḥ	hastavāpeṣu

Compound hastavāpa -

Adverb -hastavāpam -hastavāpāt