Declension table of tāmasa

Neuter	Singular	Dual	Plural
Nominative	tāmasam	tāmase	tāmasāni
Vocative	tāmasa	tāmase	tāmasāni
Accusative	tāmasam	tāmase	tāmasāni
Instrumental	tāmasena	tāmasābhyām	tāmasaiḥ
Dative	tāmasāya	tāmasābhyām	tāmasebhyaḥ
Ablative	tāmasāt	tāmasābhyām	tāmasebhyaḥ
Genitive	tāmasasya	tāmasayoḥ	tāmasānām
Locative	tāmase	tāmasayoḥ	tāmaseṣu

Compound tāmasa -

Adverb -tāmasam -tāmasāt