Declension table of ?sammardana

Neuter	Singular	Dual	Plural
Nominative	sammardanam	sammardane	sammardanāni
Vocative	sammardana	sammardane	sammardanāni
Accusative	sammardanam	sammardane	sammardanāni
Instrumental	sammardanena	sammardanābhyām	sammardanaiḥ
Dative	sammardanāya	sammardanābhyām	sammardanebhyaḥ
Ablative	sammardanāt	sammardanābhyām	sammardanebhyaḥ
Genitive	sammardanasya	sammardanayoḥ	sammardanānām
Locative	sammardane	sammardanayoḥ	sammardaneṣu

Compound sammardana -

Adverb -sammardanam -sammardanāt