Declension table of ?roca

Masculine	Singular	Dual	Plural
Nominative	rocaḥ	rocau	rocāḥ
Vocative	roca	rocau	rocāḥ
Accusative	rocam	rocau	rocān
Instrumental	rocena	rocābhyām	rocaiḥ rocebhiḥ
Dative	rocāya	rocābhyām	rocebhyaḥ
Ablative	rocāt	rocābhyām	rocebhyaḥ
Genitive	rocasya	rocayoḥ	rocānām
Locative	roce	rocayoḥ	roceṣu

Compound roca -

Adverb -rocam -rocāt