Declension table of ?bhūrbhūva

Masculine	Singular	Dual	Plural
Nominative	bhūrbhūvaḥ	bhūrbhūvau	bhūrbhūvāḥ
Vocative	bhūrbhūva	bhūrbhūvau	bhūrbhūvāḥ
Accusative	bhūrbhūvam	bhūrbhūvau	bhūrbhūvān
Instrumental	bhūrbhūveṇa	bhūrbhūvābhyām	bhūrbhūvaiḥ bhūrbhūvebhiḥ
Dative	bhūrbhūvāya	bhūrbhūvābhyām	bhūrbhūvebhyaḥ
Ablative	bhūrbhūvāt	bhūrbhūvābhyām	bhūrbhūvebhyaḥ
Genitive	bhūrbhūvasya	bhūrbhūvayoḥ	bhūrbhūvāṇām
Locative	bhūrbhūve	bhūrbhūvayoḥ	bhūrbhūveṣu

Compound bhūrbhūva -

Adverb -bhūrbhūvam -bhūrbhūvāt