Declension table of pratyaha

Neuter	Singular	Dual	Plural
Nominative	pratyaham	pratyahe	pratyahāni
Vocative	pratyaha	pratyahe	pratyahāni
Accusative	pratyaham	pratyahe	pratyahāni
Instrumental	pratyahena	pratyahābhyām	pratyahaiḥ
Dative	pratyahāya	pratyahābhyām	pratyahebhyaḥ
Ablative	pratyahāt	pratyahābhyām	pratyahebhyaḥ
Genitive	pratyahasya	pratyahayoḥ	pratyahānām
Locative	pratyahe	pratyahayoḥ	pratyaheṣu

Compound pratyaha -

Adverb -pratyaham -pratyahāt