Declension table of ?karmahasta

Neuter	Singular	Dual	Plural
Nominative	karmahastam	karmahaste	karmahastāni
Vocative	karmahasta	karmahaste	karmahastāni
Accusative	karmahastam	karmahaste	karmahastāni
Instrumental	karmahastena	karmahastābhyām	karmahastaiḥ
Dative	karmahastāya	karmahastābhyām	karmahastebhyaḥ
Ablative	karmahastāt	karmahastābhyām	karmahastebhyaḥ
Genitive	karmahastasya	karmahastayoḥ	karmahastānām
Locative	karmahaste	karmahastayoḥ	karmahasteṣu

Compound karmahasta -

Adverb -karmahastam -karmahastāt