Declension table of ?ūrdhvaka

Neuter	Singular	Dual	Plural
Nominative	ūrdhvakam	ūrdhvake	ūrdhvakāni
Vocative	ūrdhvaka	ūrdhvake	ūrdhvakāni
Accusative	ūrdhvakam	ūrdhvake	ūrdhvakāni
Instrumental	ūrdhvakena	ūrdhvakābhyām	ūrdhvakaiḥ
Dative	ūrdhvakāya	ūrdhvakābhyām	ūrdhvakebhyaḥ
Ablative	ūrdhvakāt	ūrdhvakābhyām	ūrdhvakebhyaḥ
Genitive	ūrdhvakasya	ūrdhvakayoḥ	ūrdhvakānām
Locative	ūrdhvake	ūrdhvakayoḥ	ūrdhvakeṣu

Compound ūrdhvaka -

Adverb -ūrdhvakam -ūrdhvakāt