Declension table of ?matsa

Masculine	Singular	Dual	Plural
Nominative	matsaḥ	matsau	matsāḥ
Vocative	matsa	matsau	matsāḥ
Accusative	matsam	matsau	matsān
Instrumental	matsena	matsābhyām	matsaiḥ matsebhiḥ
Dative	matsāya	matsābhyām	matsebhyaḥ
Ablative	matsāt	matsābhyām	matsebhyaḥ
Genitive	matsasya	matsayoḥ	matsānām
Locative	matse	matsayoḥ	matseṣu

Compound matsa -

Adverb -matsam -matsāt