Declension table of ?ūrdhvakāya

Masculine	Singular	Dual	Plural
Nominative	ūrdhvakāyaḥ	ūrdhvakāyau	ūrdhvakāyāḥ
Vocative	ūrdhvakāya	ūrdhvakāyau	ūrdhvakāyāḥ
Accusative	ūrdhvakāyam	ūrdhvakāyau	ūrdhvakāyān
Instrumental	ūrdhvakāyena	ūrdhvakāyābhyām	ūrdhvakāyaiḥ ūrdhvakāyebhiḥ
Dative	ūrdhvakāyāya	ūrdhvakāyābhyām	ūrdhvakāyebhyaḥ
Ablative	ūrdhvakāyāt	ūrdhvakāyābhyām	ūrdhvakāyebhyaḥ
Genitive	ūrdhvakāyasya	ūrdhvakāyayoḥ	ūrdhvakāyānām
Locative	ūrdhvakāye	ūrdhvakāyayoḥ	ūrdhvakāyeṣu

Compound ūrdhvakāya -

Adverb -ūrdhvakāyam -ūrdhvakāyāt