Declension table of ?āpnāna

Neuter	Singular	Dual	Plural
Nominative	āpnānam	āpnāne	āpnānāni
Vocative	āpnāna	āpnāne	āpnānāni
Accusative	āpnānam	āpnāne	āpnānāni
Instrumental	āpnānena	āpnānābhyām	āpnānaiḥ
Dative	āpnānāya	āpnānābhyām	āpnānebhyaḥ
Ablative	āpnānāt	āpnānābhyām	āpnānebhyaḥ
Genitive	āpnānasya	āpnānayoḥ	āpnānānām
Locative	āpnāne	āpnānayoḥ	āpnāneṣu

Compound āpnāna -

Adverb -āpnānam -āpnānāt