Declension table of ?hautna

Neuter	Singular	Dual	Plural
Nominative	hautnam	hautne	hautnāni
Vocative	hautna	hautne	hautnāni
Accusative	hautnam	hautne	hautnāni
Instrumental	hautnena	hautnābhyām	hautnaiḥ
Dative	hautnāya	hautnābhyām	hautnebhyaḥ
Ablative	hautnāt	hautnābhyām	hautnebhyaḥ
Genitive	hautnasya	hautnayoḥ	hautnānām
Locative	hautne	hautnayoḥ	hautneṣu

Compound hautna -

Adverb -hautnam -hautnāt