Declension table of ?bhavitra

Neuter	Singular	Dual	Plural
Nominative	bhavitram	bhavitre	bhavitrāṇi
Vocative	bhavitra	bhavitre	bhavitrāṇi
Accusative	bhavitram	bhavitre	bhavitrāṇi
Instrumental	bhavitreṇa	bhavitrābhyām	bhavitraiḥ
Dative	bhavitrāya	bhavitrābhyām	bhavitrebhyaḥ
Ablative	bhavitrāt	bhavitrābhyām	bhavitrebhyaḥ
Genitive	bhavitrasya	bhavitrayoḥ	bhavitrāṇām
Locative	bhavitre	bhavitrayoḥ	bhavitreṣu

Compound bhavitra -

Adverb -bhavitram -bhavitrāt