Declension table of ?kāryavastu

Neuter	Singular	Dual	Plural
Nominative	kāryavastu	kāryavastunī	kāryavastūni
Vocative	kāryavastu	kāryavastunī	kāryavastūni
Accusative	kāryavastu	kāryavastunī	kāryavastūni
Instrumental	kāryavastunā	kāryavastubhyām	kāryavastubhiḥ
Dative	kāryavastune	kāryavastubhyām	kāryavastubhyaḥ
Ablative	kāryavastunaḥ	kāryavastubhyām	kāryavastubhyaḥ
Genitive	kāryavastunaḥ	kāryavastunoḥ	kāryavastūnām
Locative	kāryavastuni	kāryavastunoḥ	kāryavastuṣu

Compound kāryavastu -

Adverb -kāryavastu