Declension table of ?sammānana

Neuter	Singular	Dual	Plural
Nominative	sammānanam	sammānane	sammānanāni
Vocative	sammānana	sammānane	sammānanāni
Accusative	sammānanam	sammānane	sammānanāni
Instrumental	sammānanena	sammānanābhyām	sammānanaiḥ
Dative	sammānanāya	sammānanābhyām	sammānanebhyaḥ
Ablative	sammānanāt	sammānanābhyām	sammānanebhyaḥ
Genitive	sammānanasya	sammānanayoḥ	sammānanānām
Locative	sammānane	sammānanayoḥ	sammānaneṣu

Compound sammānana -

Adverb -sammānanam -sammānanāt