Declension table of prahasana

Neuter	Singular	Dual	Plural
Nominative	prahasanam	prahasane	prahasanāni
Vocative	prahasana	prahasane	prahasanāni
Accusative	prahasanam	prahasane	prahasanāni
Instrumental	prahasanena	prahasanābhyām	prahasanaiḥ
Dative	prahasanāya	prahasanābhyām	prahasanebhyaḥ
Ablative	prahasanāt	prahasanābhyām	prahasanebhyaḥ
Genitive	prahasanasya	prahasanayoḥ	prahasanānām
Locative	prahasane	prahasanayoḥ	prahasaneṣu

Compound prahasana -

Adverb -prahasanam -prahasanāt