Declension table of ?sāntāna

Masculine	Singular	Dual	Plural
Nominative	sāntānaḥ	sāntānau	sāntānāḥ
Vocative	sāntāna	sāntānau	sāntānāḥ
Accusative	sāntānam	sāntānau	sāntānān
Instrumental	sāntānena	sāntānābhyām	sāntānaiḥ sāntānebhiḥ
Dative	sāntānāya	sāntānābhyām	sāntānebhyaḥ
Ablative	sāntānāt	sāntānābhyām	sāntānebhyaḥ
Genitive	sāntānasya	sāntānayoḥ	sāntānānām
Locative	sāntāne	sāntānayoḥ	sāntāneṣu

Compound sāntāna -

Adverb -sāntānam -sāntānāt