Declension table of ?rāmamantra

Masculine	Singular	Dual	Plural
Nominative	rāmamantraḥ	rāmamantrau	rāmamantrāḥ
Vocative	rāmamantra	rāmamantrau	rāmamantrāḥ
Accusative	rāmamantram	rāmamantrau	rāmamantrān
Instrumental	rāmamantreṇa	rāmamantrābhyām	rāmamantraiḥ rāmamantrebhiḥ
Dative	rāmamantrāya	rāmamantrābhyām	rāmamantrebhyaḥ
Ablative	rāmamantrāt	rāmamantrābhyām	rāmamantrebhyaḥ
Genitive	rāmamantrasya	rāmamantrayoḥ	rāmamantrāṇām
Locative	rāmamantre	rāmamantrayoḥ	rāmamantreṣu

Compound rāmamantra -

Adverb -rāmamantram -rāmamantrāt