Declension table of ?mātsyaka

Neuter	Singular	Dual	Plural
Nominative	mātsyakam	mātsyake	mātsyakāni
Vocative	mātsyaka	mātsyake	mātsyakāni
Accusative	mātsyakam	mātsyake	mātsyakāni
Instrumental	mātsyakena	mātsyakābhyām	mātsyakaiḥ
Dative	mātsyakāya	mātsyakābhyām	mātsyakebhyaḥ
Ablative	mātsyakāt	mātsyakābhyām	mātsyakebhyaḥ
Genitive	mātsyakasya	mātsyakayoḥ	mātsyakānām
Locative	mātsyake	mātsyakayoḥ	mātsyakeṣu

Compound mātsyaka -

Adverb -mātsyakam -mātsyakāt