Declension table of ?spardhākara

Neuter	Singular	Dual	Plural
Nominative	spardhākaram	spardhākare	spardhākarāṇi
Vocative	spardhākara	spardhākare	spardhākarāṇi
Accusative	spardhākaram	spardhākare	spardhākarāṇi
Instrumental	spardhākareṇa	spardhākarābhyām	spardhākaraiḥ
Dative	spardhākarāya	spardhākarābhyām	spardhākarebhyaḥ
Ablative	spardhākarāt	spardhākarābhyām	spardhākarebhyaḥ
Genitive	spardhākarasya	spardhākarayoḥ	spardhākarāṇām
Locative	spardhākare	spardhākarayoḥ	spardhākareṣu

Compound spardhākara -

Adverb -spardhākaram -spardhākarāt