Declension table of ?dṛḍhakuṭṭaka

Masculine	Singular	Dual	Plural
Nominative	dṛḍhakuṭṭakaḥ	dṛḍhakuṭṭakau	dṛḍhakuṭṭakāḥ
Vocative	dṛḍhakuṭṭaka	dṛḍhakuṭṭakau	dṛḍhakuṭṭakāḥ
Accusative	dṛḍhakuṭṭakam	dṛḍhakuṭṭakau	dṛḍhakuṭṭakān
Instrumental	dṛḍhakuṭṭakena	dṛḍhakuṭṭakābhyām	dṛḍhakuṭṭakaiḥ dṛḍhakuṭṭakebhiḥ
Dative	dṛḍhakuṭṭakāya	dṛḍhakuṭṭakābhyām	dṛḍhakuṭṭakebhyaḥ
Ablative	dṛḍhakuṭṭakāt	dṛḍhakuṭṭakābhyām	dṛḍhakuṭṭakebhyaḥ
Genitive	dṛḍhakuṭṭakasya	dṛḍhakuṭṭakayoḥ	dṛḍhakuṭṭakānām
Locative	dṛḍhakuṭṭake	dṛḍhakuṭṭakayoḥ	dṛḍhakuṭṭakeṣu

Compound dṛḍhakuṭṭaka -

Adverb -dṛḍhakuṭṭakam -dṛḍhakuṭṭakāt