Declension table of ?namasāna

Masculine	Singular	Dual	Plural
Nominative	namasānaḥ	namasānau	namasānāḥ
Vocative	namasāna	namasānau	namasānāḥ
Accusative	namasānam	namasānau	namasānān
Instrumental	namasānena	namasānābhyām	namasānaiḥ namasānebhiḥ
Dative	namasānāya	namasānābhyām	namasānebhyaḥ
Ablative	namasānāt	namasānābhyām	namasānebhyaḥ
Genitive	namasānasya	namasānayoḥ	namasānānām
Locative	namasāne	namasānayoḥ	namasāneṣu

Compound namasāna -

Adverb -namasānam -namasānāt