Declension table of ?yavāntara

Neuter	Singular	Dual	Plural
Nominative	yavāntaram	yavāntare	yavāntarāṇi
Vocative	yavāntara	yavāntare	yavāntarāṇi
Accusative	yavāntaram	yavāntare	yavāntarāṇi
Instrumental	yavāntareṇa	yavāntarābhyām	yavāntaraiḥ
Dative	yavāntarāya	yavāntarābhyām	yavāntarebhyaḥ
Ablative	yavāntarāt	yavāntarābhyām	yavāntarebhyaḥ
Genitive	yavāntarasya	yavāntarayoḥ	yavāntarāṇām
Locative	yavāntare	yavāntarayoḥ	yavāntareṣu

Compound yavāntara -

Adverb -yavāntaram -yavāntarāt