Declension table of ?samaṅka

Neuter	Singular	Dual	Plural
Nominative	samaṅkam	samaṅke	samaṅkāni
Vocative	samaṅka	samaṅke	samaṅkāni
Accusative	samaṅkam	samaṅke	samaṅkāni
Instrumental	samaṅkena	samaṅkābhyām	samaṅkaiḥ
Dative	samaṅkāya	samaṅkābhyām	samaṅkebhyaḥ
Ablative	samaṅkāt	samaṅkābhyām	samaṅkebhyaḥ
Genitive	samaṅkasya	samaṅkayoḥ	samaṅkānām
Locative	samaṅke	samaṅkayoḥ	samaṅkeṣu

Compound samaṅka -

Adverb -samaṅkam -samaṅkāt