Declension table of ?karavīravrata

Neuter	Singular	Dual	Plural
Nominative	karavīravratam	karavīravrate	karavīravratāni
Vocative	karavīravrata	karavīravrate	karavīravratāni
Accusative	karavīravratam	karavīravrate	karavīravratāni
Instrumental	karavīravratena	karavīravratābhyām	karavīravrataiḥ
Dative	karavīravratāya	karavīravratābhyām	karavīravratebhyaḥ
Ablative	karavīravratāt	karavīravratābhyām	karavīravratebhyaḥ
Genitive	karavīravratasya	karavīravratayoḥ	karavīravratānām
Locative	karavīravrate	karavīravratayoḥ	karavīravrateṣu

Compound karavīravrata -

Adverb -karavīravratam -karavīravratāt