Declension table of ?pāṇin

Masculine	Singular	Dual	Plural
Nominative	pāṇī	pāṇinau	pāṇinaḥ
Vocative	pāṇin	pāṇinau	pāṇinaḥ
Accusative	pāṇinam	pāṇinau	pāṇinaḥ
Instrumental	pāṇinā	pāṇibhyām	pāṇibhiḥ
Dative	pāṇine	pāṇibhyām	pāṇibhyaḥ
Ablative	pāṇinaḥ	pāṇibhyām	pāṇibhyaḥ
Genitive	pāṇinaḥ	pāṇinoḥ	pāṇinām
Locative	pāṇini	pāṇinoḥ	pāṇiṣu

Compound pāṇi -

Adverb -pāṇi