Declension table of ?samānayana

Neuter	Singular	Dual	Plural
Nominative	samānayanam	samānayane	samānayanāni
Vocative	samānayana	samānayane	samānayanāni
Accusative	samānayanam	samānayane	samānayanāni
Instrumental	samānayanena	samānayanābhyām	samānayanaiḥ
Dative	samānayanāya	samānayanābhyām	samānayanebhyaḥ
Ablative	samānayanāt	samānayanābhyām	samānayanebhyaḥ
Genitive	samānayanasya	samānayanayoḥ	samānayanānām
Locative	samānayane	samānayanayoḥ	samānayaneṣu

Compound samānayana -

Adverb -samānayanam -samānayanāt