Declension table of pramāṇaka

Neuter	Singular	Dual	Plural
Nominative	pramāṇakam	pramāṇake	pramāṇakāni
Vocative	pramāṇaka	pramāṇake	pramāṇakāni
Accusative	pramāṇakam	pramāṇake	pramāṇakāni
Instrumental	pramāṇakena	pramāṇakābhyām	pramāṇakaiḥ
Dative	pramāṇakāya	pramāṇakābhyām	pramāṇakebhyaḥ
Ablative	pramāṇakāt	pramāṇakābhyām	pramāṇakebhyaḥ
Genitive	pramāṇakasya	pramāṇakayoḥ	pramāṇakānām
Locative	pramāṇake	pramāṇakayoḥ	pramāṇakeṣu

Compound pramāṇaka -

Adverb -pramāṇakam -pramāṇakāt