Declension table of sāpatnya

Masculine	Singular	Dual	Plural
Nominative	sāpatnyaḥ	sāpatnyau	sāpatnyāḥ
Vocative	sāpatnya	sāpatnyau	sāpatnyāḥ
Accusative	sāpatnyam	sāpatnyau	sāpatnyān
Instrumental	sāpatnyena	sāpatnyābhyām	sāpatnyaiḥ sāpatnyebhiḥ
Dative	sāpatnyāya	sāpatnyābhyām	sāpatnyebhyaḥ
Ablative	sāpatnyāt	sāpatnyābhyām	sāpatnyebhyaḥ
Genitive	sāpatnyasya	sāpatnyayoḥ	sāpatnyānām
Locative	sāpatnye	sāpatnyayoḥ	sāpatnyeṣu

Compound sāpatnya -

Adverb -sāpatnyam -sāpatnyāt