Declension table of ?ūrdhvāyana

Masculine	Singular	Dual	Plural
Nominative	ūrdhvāyanaḥ	ūrdhvāyanau	ūrdhvāyanāḥ
Vocative	ūrdhvāyana	ūrdhvāyanau	ūrdhvāyanāḥ
Accusative	ūrdhvāyanam	ūrdhvāyanau	ūrdhvāyanān
Instrumental	ūrdhvāyanena	ūrdhvāyanābhyām	ūrdhvāyanaiḥ ūrdhvāyanebhiḥ
Dative	ūrdhvāyanāya	ūrdhvāyanābhyām	ūrdhvāyanebhyaḥ
Ablative	ūrdhvāyanāt	ūrdhvāyanābhyām	ūrdhvāyanebhyaḥ
Genitive	ūrdhvāyanasya	ūrdhvāyanayoḥ	ūrdhvāyanānām
Locative	ūrdhvāyane	ūrdhvāyanayoḥ	ūrdhvāyaneṣu

Compound ūrdhvāyana -

Adverb -ūrdhvāyanam -ūrdhvāyanāt