Declension table of ?vṛtrahatha

Masculine	Singular	Dual	Plural
Nominative	vṛtrahathaḥ	vṛtrahathau	vṛtrahathāḥ
Vocative	vṛtrahatha	vṛtrahathau	vṛtrahathāḥ
Accusative	vṛtrahatham	vṛtrahathau	vṛtrahathān
Instrumental	vṛtrahathena	vṛtrahathābhyām	vṛtrahathaiḥ vṛtrahathebhiḥ
Dative	vṛtrahathāya	vṛtrahathābhyām	vṛtrahathebhyaḥ
Ablative	vṛtrahathāt	vṛtrahathābhyām	vṛtrahathebhyaḥ
Genitive	vṛtrahathasya	vṛtrahathayoḥ	vṛtrahathānām
Locative	vṛtrahathe	vṛtrahathayoḥ	vṛtrahatheṣu

Compound vṛtrahatha -

Adverb -vṛtrahatham -vṛtrahathāt