Declension table of ?syūmaka

Neuter	Singular	Dual	Plural
Nominative	syūmakam	syūmake	syūmakāni
Vocative	syūmaka	syūmake	syūmakāni
Accusative	syūmakam	syūmake	syūmakāni
Instrumental	syūmakena	syūmakābhyām	syūmakaiḥ
Dative	syūmakāya	syūmakābhyām	syūmakebhyaḥ
Ablative	syūmakāt	syūmakābhyām	syūmakebhyaḥ
Genitive	syūmakasya	syūmakayoḥ	syūmakānām
Locative	syūmake	syūmakayoḥ	syūmakeṣu

Compound syūmaka -

Adverb -syūmakam -syūmakāt