Declension table of ?catuṣpañca

Neuter	Singular	Dual	Plural
Nominative	catuṣpañcam	catuṣpañce	catuṣpañcāni
Vocative	catuṣpañca	catuṣpañce	catuṣpañcāni
Accusative	catuṣpañcam	catuṣpañce	catuṣpañcāni
Instrumental	catuṣpañcena	catuṣpañcābhyām	catuṣpañcaiḥ
Dative	catuṣpañcāya	catuṣpañcābhyām	catuṣpañcebhyaḥ
Ablative	catuṣpañcāt	catuṣpañcābhyām	catuṣpañcebhyaḥ
Genitive	catuṣpañcasya	catuṣpañcayoḥ	catuṣpañcānām
Locative	catuṣpañce	catuṣpañcayoḥ	catuṣpañceṣu

Compound catuṣpañca -

Adverb -catuṣpañcam -catuṣpañcāt