Declension table of sāpatna

Neuter	Singular	Dual	Plural
Nominative	sāpatnam	sāpatne	sāpatnāni
Vocative	sāpatna	sāpatne	sāpatnāni
Accusative	sāpatnam	sāpatne	sāpatnāni
Instrumental	sāpatnena	sāpatnābhyām	sāpatnaiḥ
Dative	sāpatnāya	sāpatnābhyām	sāpatnebhyaḥ
Ablative	sāpatnāt	sāpatnābhyām	sāpatnebhyaḥ
Genitive	sāpatnasya	sāpatnayoḥ	sāpatnānām
Locative	sāpatne	sāpatnayoḥ	sāpatneṣu

Compound sāpatna -

Adverb -sāpatnam -sāpatnāt