Declension table of ?dṛḍaka

Masculine	Singular	Dual	Plural
Nominative	dṛḍakaḥ	dṛḍakau	dṛḍakāḥ
Vocative	dṛḍaka	dṛḍakau	dṛḍakāḥ
Accusative	dṛḍakam	dṛḍakau	dṛḍakān
Instrumental	dṛḍakena	dṛḍakābhyām	dṛḍakaiḥ dṛḍakebhiḥ
Dative	dṛḍakāya	dṛḍakābhyām	dṛḍakebhyaḥ
Ablative	dṛḍakāt	dṛḍakābhyām	dṛḍakebhyaḥ
Genitive	dṛḍakasya	dṛḍakayoḥ	dṛḍakānām
Locative	dṛḍake	dṛḍakayoḥ	dṛḍakeṣu

Compound dṛḍaka -

Adverb -dṛḍakam -dṛḍakāt