Declension table of abhyantara

Neuter	Singular	Dual	Plural
Nominative	abhyantaram	abhyantare	abhyantarāṇi
Vocative	abhyantara	abhyantare	abhyantarāṇi
Accusative	abhyantaram	abhyantare	abhyantarāṇi
Instrumental	abhyantareṇa	abhyantarābhyām	abhyantaraiḥ
Dative	abhyantarāya	abhyantarābhyām	abhyantarebhyaḥ
Ablative	abhyantarāt	abhyantarābhyām	abhyantarebhyaḥ
Genitive	abhyantarasya	abhyantarayoḥ	abhyantarāṇām
Locative	abhyantare	abhyantarayoḥ	abhyantareṣu

Compound abhyantara -

Adverb -abhyantaram -abhyantarāt