Declension table of ?catuṣpañca

Masculine	Singular	Dual	Plural
Nominative	catuṣpañcaḥ	catuṣpañcau	catuṣpañcāḥ
Vocative	catuṣpañca	catuṣpañcau	catuṣpañcāḥ
Accusative	catuṣpañcam	catuṣpañcau	catuṣpañcān
Instrumental	catuṣpañcena	catuṣpañcābhyām	catuṣpañcaiḥ catuṣpañcebhiḥ
Dative	catuṣpañcāya	catuṣpañcābhyām	catuṣpañcebhyaḥ
Ablative	catuṣpañcāt	catuṣpañcābhyām	catuṣpañcebhyaḥ
Genitive	catuṣpañcasya	catuṣpañcayoḥ	catuṣpañcānām
Locative	catuṣpañce	catuṣpañcayoḥ	catuṣpañceṣu

Compound catuṣpañca -

Adverb -catuṣpañcam -catuṣpañcāt