Declension table of ?apaneya

Masculine	Singular	Dual	Plural
Nominative	apaneyaḥ	apaneyau	apaneyāḥ
Vocative	apaneya	apaneyau	apaneyāḥ
Accusative	apaneyam	apaneyau	apaneyān
Instrumental	apaneyena	apaneyābhyām	apaneyaiḥ apaneyebhiḥ
Dative	apaneyāya	apaneyābhyām	apaneyebhyaḥ
Ablative	apaneyāt	apaneyābhyām	apaneyebhyaḥ
Genitive	apaneyasya	apaneyayoḥ	apaneyānām
Locative	apaneye	apaneyayoḥ	apaneyeṣu

Compound apaneya -

Adverb -apaneyam -apaneyāt