Declension table of ?kumpa

Neuter	Singular	Dual	Plural
Nominative	kumpam	kumpe	kumpāni
Vocative	kumpa	kumpe	kumpāni
Accusative	kumpam	kumpe	kumpāni
Instrumental	kumpena	kumpābhyām	kumpaiḥ
Dative	kumpāya	kumpābhyām	kumpebhyaḥ
Ablative	kumpāt	kumpābhyām	kumpebhyaḥ
Genitive	kumpasya	kumpayoḥ	kumpānām
Locative	kumpe	kumpayoḥ	kumpeṣu

Compound kumpa -

Adverb -kumpam -kumpāt