Declension table of ?pecuka

Neuter	Singular	Dual	Plural
Nominative	pecukam	pecuke	pecukāni
Vocative	pecuka	pecuke	pecukāni
Accusative	pecukam	pecuke	pecukāni
Instrumental	pecukena	pecukābhyām	pecukaiḥ
Dative	pecukāya	pecukābhyām	pecukebhyaḥ
Ablative	pecukāt	pecukābhyām	pecukebhyaḥ
Genitive	pecukasya	pecukayoḥ	pecukānām
Locative	pecuke	pecukayoḥ	pecukeṣu

Compound pecuka -

Adverb -pecukam -pecukāt