Declension table of ?suvaca

Masculine	Singular	Dual	Plural
Nominative	suvacaḥ	suvacau	suvacāḥ
Vocative	suvaca	suvacau	suvacāḥ
Accusative	suvacam	suvacau	suvacān
Instrumental	suvacena	suvacābhyām	suvacaiḥ suvacebhiḥ
Dative	suvacāya	suvacābhyām	suvacebhyaḥ
Ablative	suvacāt	suvacābhyām	suvacebhyaḥ
Genitive	suvacasya	suvacayoḥ	suvacānām
Locative	suvace	suvacayoḥ	suvaceṣu

Compound suvaca -

Adverb -suvacam -suvacāt