Declension table of ?duṣpaca

Masculine	Singular	Dual	Plural
Nominative	duṣpacaḥ	duṣpacau	duṣpacāḥ
Vocative	duṣpaca	duṣpacau	duṣpacāḥ
Accusative	duṣpacam	duṣpacau	duṣpacān
Instrumental	duṣpacena	duṣpacābhyām	duṣpacaiḥ duṣpacebhiḥ
Dative	duṣpacāya	duṣpacābhyām	duṣpacebhyaḥ
Ablative	duṣpacāt	duṣpacābhyām	duṣpacebhyaḥ
Genitive	duṣpacasya	duṣpacayoḥ	duṣpacānām
Locative	duṣpace	duṣpacayoḥ	duṣpaceṣu

Compound duṣpaca -

Adverb -duṣpacam -duṣpacāt