Declension table of ?sāpatnaka

Neuter	Singular	Dual	Plural
Nominative	sāpatnakam	sāpatnake	sāpatnakāni
Vocative	sāpatnaka	sāpatnake	sāpatnakāni
Accusative	sāpatnakam	sāpatnake	sāpatnakāni
Instrumental	sāpatnakena	sāpatnakābhyām	sāpatnakaiḥ
Dative	sāpatnakāya	sāpatnakābhyām	sāpatnakebhyaḥ
Ablative	sāpatnakāt	sāpatnakābhyām	sāpatnakebhyaḥ
Genitive	sāpatnakasya	sāpatnakayoḥ	sāpatnakānām
Locative	sāpatnake	sāpatnakayoḥ	sāpatnakeṣu

Compound sāpatnaka -

Adverb -sāpatnakam -sāpatnakāt