Declension table of tribhūma

Masculine	Singular	Dual	Plural
Nominative	tribhūmaḥ	tribhūmau	tribhūmāḥ
Vocative	tribhūma	tribhūmau	tribhūmāḥ
Accusative	tribhūmam	tribhūmau	tribhūmān
Instrumental	tribhūmeṇa	tribhūmābhyām	tribhūmaiḥ tribhūmebhiḥ
Dative	tribhūmāya	tribhūmābhyām	tribhūmebhyaḥ
Ablative	tribhūmāt	tribhūmābhyām	tribhūmebhyaḥ
Genitive	tribhūmasya	tribhūmayoḥ	tribhūmāṇām
Locative	tribhūme	tribhūmayoḥ	tribhūmeṣu

Compound tribhūma -

Adverb -tribhūmam -tribhūmāt