Declension table of ?āpyāyana

Masculine	Singular	Dual	Plural
Nominative	āpyāyanaḥ	āpyāyanau	āpyāyanāḥ
Vocative	āpyāyana	āpyāyanau	āpyāyanāḥ
Accusative	āpyāyanam	āpyāyanau	āpyāyanān
Instrumental	āpyāyanena	āpyāyanābhyām	āpyāyanaiḥ āpyāyanebhiḥ
Dative	āpyāyanāya	āpyāyanābhyām	āpyāyanebhyaḥ
Ablative	āpyāyanāt	āpyāyanābhyām	āpyāyanebhyaḥ
Genitive	āpyāyanasya	āpyāyanayoḥ	āpyāyanānām
Locative	āpyāyane	āpyāyanayoḥ	āpyāyaneṣu

Compound āpyāyana -

Adverb -āpyāyanam -āpyāyanāt