Declension table of ?yathākārya

Neuter	Singular	Dual	Plural
Nominative	yathākāryam	yathākārye	yathākāryāṇi
Vocative	yathākārya	yathākārye	yathākāryāṇi
Accusative	yathākāryam	yathākārye	yathākāryāṇi
Instrumental	yathākāryeṇa	yathākāryābhyām	yathākāryaiḥ
Dative	yathākāryāya	yathākāryābhyām	yathākāryebhyaḥ
Ablative	yathākāryāt	yathākāryābhyām	yathākāryebhyaḥ
Genitive	yathākāryasya	yathākāryayoḥ	yathākāryāṇām
Locative	yathākārye	yathākāryayoḥ	yathākāryeṣu

Compound yathākārya -

Adverb -yathākāryam -yathākāryāt