Declension table of ?kuśāla

Masculine	Singular	Dual	Plural
Nominative	kuśālaḥ	kuśālau	kuśālāḥ
Vocative	kuśāla	kuśālau	kuśālāḥ
Accusative	kuśālam	kuśālau	kuśālān
Instrumental	kuśālena	kuśālābhyām	kuśālaiḥ kuśālebhiḥ
Dative	kuśālāya	kuśālābhyām	kuśālebhyaḥ
Ablative	kuśālāt	kuśālābhyām	kuśālebhyaḥ
Genitive	kuśālasya	kuśālayoḥ	kuśālānām
Locative	kuśāle	kuśālayoḥ	kuśāleṣu

Compound kuśāla -

Adverb -kuśālam -kuśālāt