Declension table of ?karmāntara

Neuter	Singular	Dual	Plural
Nominative	karmāntaram	karmāntare	karmāntarāṇi
Vocative	karmāntara	karmāntare	karmāntarāṇi
Accusative	karmāntaram	karmāntare	karmāntarāṇi
Instrumental	karmāntareṇa	karmāntarābhyām	karmāntaraiḥ
Dative	karmāntarāya	karmāntarābhyām	karmāntarebhyaḥ
Ablative	karmāntarāt	karmāntarābhyām	karmāntarebhyaḥ
Genitive	karmāntarasya	karmāntarayoḥ	karmāntarāṇām
Locative	karmāntare	karmāntarayoḥ	karmāntareṣu

Compound karmāntara -

Adverb -karmāntaram -karmāntarāt