Declension table of ?upaśamana

Masculine	Singular	Dual	Plural
Nominative	upaśamanaḥ	upaśamanau	upaśamanāḥ
Vocative	upaśamana	upaśamanau	upaśamanāḥ
Accusative	upaśamanam	upaśamanau	upaśamanān
Instrumental	upaśamanena	upaśamanābhyām	upaśamanaiḥ upaśamanebhiḥ
Dative	upaśamanāya	upaśamanābhyām	upaśamanebhyaḥ
Ablative	upaśamanāt	upaśamanābhyām	upaśamanebhyaḥ
Genitive	upaśamanasya	upaśamanayoḥ	upaśamanānām
Locative	upaśamane	upaśamanayoḥ	upaśamaneṣu

Compound upaśamana -

Adverb -upaśamanam -upaśamanāt