Declension table of ?dṛḍhavalkala

Masculine	Singular	Dual	Plural
Nominative	dṛḍhavalkalaḥ	dṛḍhavalkalau	dṛḍhavalkalāḥ
Vocative	dṛḍhavalkala	dṛḍhavalkalau	dṛḍhavalkalāḥ
Accusative	dṛḍhavalkalam	dṛḍhavalkalau	dṛḍhavalkalān
Instrumental	dṛḍhavalkalena	dṛḍhavalkalābhyām	dṛḍhavalkalaiḥ dṛḍhavalkalebhiḥ
Dative	dṛḍhavalkalāya	dṛḍhavalkalābhyām	dṛḍhavalkalebhyaḥ
Ablative	dṛḍhavalkalāt	dṛḍhavalkalābhyām	dṛḍhavalkalebhyaḥ
Genitive	dṛḍhavalkalasya	dṛḍhavalkalayoḥ	dṛḍhavalkalānām
Locative	dṛḍhavalkale	dṛḍhavalkalayoḥ	dṛḍhavalkaleṣu

Compound dṛḍhavalkala -

Adverb -dṛḍhavalkalam -dṛḍhavalkalāt