Declension table of ?yoniśāstra

Neuter	Singular	Dual	Plural
Nominative	yoniśāstram	yoniśāstre	yoniśāstrāṇi
Vocative	yoniśāstra	yoniśāstre	yoniśāstrāṇi
Accusative	yoniśāstram	yoniśāstre	yoniśāstrāṇi
Instrumental	yoniśāstreṇa	yoniśāstrābhyām	yoniśāstraiḥ
Dative	yoniśāstrāya	yoniśāstrābhyām	yoniśāstrebhyaḥ
Ablative	yoniśāstrāt	yoniśāstrābhyām	yoniśāstrebhyaḥ
Genitive	yoniśāstrasya	yoniśāstrayoḥ	yoniśāstrāṇām
Locative	yoniśāstre	yoniśāstrayoḥ	yoniśāstreṣu

Compound yoniśāstra -

Adverb -yoniśāstram -yoniśāstrāt