Declension table of ?samāsana

Neuter	Singular	Dual	Plural
Nominative	samāsanam	samāsane	samāsanāni
Vocative	samāsana	samāsane	samāsanāni
Accusative	samāsanam	samāsane	samāsanāni
Instrumental	samāsanena	samāsanābhyām	samāsanaiḥ
Dative	samāsanāya	samāsanābhyām	samāsanebhyaḥ
Ablative	samāsanāt	samāsanābhyām	samāsanebhyaḥ
Genitive	samāsanasya	samāsanayoḥ	samāsanānām
Locative	samāsane	samāsanayoḥ	samāsaneṣu

Compound samāsana -

Adverb -samāsanam -samāsanāt