Declension table of ?ūrdhvasāna

Masculine	Singular	Dual	Plural
Nominative	ūrdhvasānaḥ	ūrdhvasānau	ūrdhvasānāḥ
Vocative	ūrdhvasāna	ūrdhvasānau	ūrdhvasānāḥ
Accusative	ūrdhvasānam	ūrdhvasānau	ūrdhvasānān
Instrumental	ūrdhvasānena	ūrdhvasānābhyām	ūrdhvasānaiḥ ūrdhvasānebhiḥ
Dative	ūrdhvasānāya	ūrdhvasānābhyām	ūrdhvasānebhyaḥ
Ablative	ūrdhvasānāt	ūrdhvasānābhyām	ūrdhvasānebhyaḥ
Genitive	ūrdhvasānasya	ūrdhvasānayoḥ	ūrdhvasānānām
Locative	ūrdhvasāne	ūrdhvasānayoḥ	ūrdhvasāneṣu

Compound ūrdhvasāna -

Adverb -ūrdhvasānam -ūrdhvasānāt