Declension table of ?tanutvaca

Masculine	Singular	Dual	Plural
Nominative	tanutvacaḥ	tanutvacau	tanutvacāḥ
Vocative	tanutvaca	tanutvacau	tanutvacāḥ
Accusative	tanutvacam	tanutvacau	tanutvacān
Instrumental	tanutvacena	tanutvacābhyām	tanutvacaiḥ tanutvacebhiḥ
Dative	tanutvacāya	tanutvacābhyām	tanutvacebhyaḥ
Ablative	tanutvacāt	tanutvacābhyām	tanutvacebhyaḥ
Genitive	tanutvacasya	tanutvacayoḥ	tanutvacānām
Locative	tanutvace	tanutvacayoḥ	tanutvaceṣu

Compound tanutvaca -

Adverb -tanutvacam -tanutvacāt