Declension table of ?apnavāna

Masculine	Singular	Dual	Plural
Nominative	apnavānaḥ	apnavānau	apnavānāḥ
Vocative	apnavāna	apnavānau	apnavānāḥ
Accusative	apnavānam	apnavānau	apnavānān
Instrumental	apnavānena	apnavānābhyām	apnavānaiḥ apnavānebhiḥ
Dative	apnavānāya	apnavānābhyām	apnavānebhyaḥ
Ablative	apnavānāt	apnavānābhyām	apnavānebhyaḥ
Genitive	apnavānasya	apnavānayoḥ	apnavānānām
Locative	apnavāne	apnavānayoḥ	apnavāneṣu

Compound apnavāna -

Adverb -apnavānam -apnavānāt