Declension table of ?praheṇaka

Neuter	Singular	Dual	Plural
Nominative	praheṇakam	praheṇake	praheṇakāni
Vocative	praheṇaka	praheṇake	praheṇakāni
Accusative	praheṇakam	praheṇake	praheṇakāni
Instrumental	praheṇakena	praheṇakābhyām	praheṇakaiḥ
Dative	praheṇakāya	praheṇakābhyām	praheṇakebhyaḥ
Ablative	praheṇakāt	praheṇakābhyām	praheṇakebhyaḥ
Genitive	praheṇakasya	praheṇakayoḥ	praheṇakānām
Locative	praheṇake	praheṇakayoḥ	praheṇakeṣu

Compound praheṇaka -

Adverb -praheṇakam -praheṇakāt