Declension table of ?svapañcaka

Masculine	Singular	Dual	Plural
Nominative	svapañcakaḥ	svapañcakau	svapañcakāḥ
Vocative	svapañcaka	svapañcakau	svapañcakāḥ
Accusative	svapañcakam	svapañcakau	svapañcakān
Instrumental	svapañcakena	svapañcakābhyām	svapañcakaiḥ svapañcakebhiḥ
Dative	svapañcakāya	svapañcakābhyām	svapañcakebhyaḥ
Ablative	svapañcakāt	svapañcakābhyām	svapañcakebhyaḥ
Genitive	svapañcakasya	svapañcakayoḥ	svapañcakānām
Locative	svapañcake	svapañcakayoḥ	svapañcakeṣu

Compound svapañcaka -

Adverb -svapañcakam -svapañcakāt