Declension table of ?ekaviṃśaka

Masculine	Singular	Dual	Plural
Nominative	ekaviṃśakaḥ	ekaviṃśakau	ekaviṃśakāḥ
Vocative	ekaviṃśaka	ekaviṃśakau	ekaviṃśakāḥ
Accusative	ekaviṃśakam	ekaviṃśakau	ekaviṃśakān
Instrumental	ekaviṃśakena	ekaviṃśakābhyām	ekaviṃśakaiḥ ekaviṃśakebhiḥ
Dative	ekaviṃśakāya	ekaviṃśakābhyām	ekaviṃśakebhyaḥ
Ablative	ekaviṃśakāt	ekaviṃśakābhyām	ekaviṃśakebhyaḥ
Genitive	ekaviṃśakasya	ekaviṃśakayoḥ	ekaviṃśakānām
Locative	ekaviṃśake	ekaviṃśakayoḥ	ekaviṃśakeṣu

Compound ekaviṃśaka -

Adverb -ekaviṃśakam -ekaviṃśakāt