Declension table of ?samānatantra

Neuter	Singular	Dual	Plural
Nominative	samānatantram	samānatantre	samānatantrāṇi
Vocative	samānatantra	samānatantre	samānatantrāṇi
Accusative	samānatantram	samānatantre	samānatantrāṇi
Instrumental	samānatantreṇa	samānatantrābhyām	samānatantraiḥ
Dative	samānatantrāya	samānatantrābhyām	samānatantrebhyaḥ
Ablative	samānatantrāt	samānatantrābhyām	samānatantrebhyaḥ
Genitive	samānatantrasya	samānatantrayoḥ	samānatantrāṇām
Locative	samānatantre	samānatantrayoḥ	samānatantreṣu

Compound samānatantra -

Adverb -samānatantram -samānatantrāt