Declension table of āpi

Masculine	Singular	Dual	Plural
Nominative	āpiḥ	āpī	āpayaḥ
Vocative	āpe	āpī	āpayaḥ
Accusative	āpim	āpī	āpīn
Instrumental	āpinā	āpibhyām	āpibhiḥ
Dative	āpaye	āpibhyām	āpibhyaḥ
Ablative	āpeḥ	āpibhyām	āpibhyaḥ
Genitive	āpeḥ	āpyoḥ	āpīnām
Locative	āpau	āpyoḥ	āpiṣu

Compound āpi -

Adverb -āpi