Declension table of ?amarman

Neuter	Singular	Dual	Plural
Nominative	amarma	amarmaṇī	amarmāṇi
Vocative	amarman amarma	amarmaṇī	amarmāṇi
Accusative	amarma	amarmaṇī	amarmāṇi
Instrumental	amarmaṇā	amarmabhyām	amarmabhiḥ
Dative	amarmaṇe	amarmabhyām	amarmabhyaḥ
Ablative	amarmaṇaḥ	amarmabhyām	amarmabhyaḥ
Genitive	amarmaṇaḥ	amarmaṇoḥ	amarmaṇām
Locative	amarmaṇi	amarmaṇoḥ	amarmasu

Compound amarma -

Adverb -amarma -amarmam