Declension table of ?tatandvas

Masculine	Singular	Dual	Plural
Nominative	tatandvān	tatandvāṃsau	tatandvāṃsaḥ
Vocative	tatandvan	tatandvāṃsau	tatandvāṃsaḥ
Accusative	tatandvāṃsam	tatandvāṃsau	tatanduṣaḥ
Instrumental	tatanduṣā	tatandvadbhyām	tatandvadbhiḥ
Dative	tatanduṣe	tatandvadbhyām	tatandvadbhyaḥ
Ablative	tatanduṣaḥ	tatandvadbhyām	tatandvadbhyaḥ
Genitive	tatanduṣaḥ	tatanduṣoḥ	tatanduṣām
Locative	tatanduṣi	tatanduṣoḥ	tatandvatsu

Compound tatandvat -

Adverb -tatandvas