Declension table of hārda

Neuter	Singular	Dual	Plural
Nominative	hārdam	hārde	hārdāni
Vocative	hārda	hārde	hārdāni
Accusative	hārdam	hārde	hārdāni
Instrumental	hārdena	hārdābhyām	hārdaiḥ
Dative	hārdāya	hārdābhyām	hārdebhyaḥ
Ablative	hārdāt	hārdābhyām	hārdebhyaḥ
Genitive	hārdasya	hārdayoḥ	hārdānām
Locative	hārde	hārdayoḥ	hārdeṣu

Compound hārda -

Adverb -hārdam -hārdāt