Declension table of apaca

Neuter	Singular	Dual	Plural
Nominative	apacam	apace	apacāni
Vocative	apaca	apace	apacāni
Accusative	apacam	apace	apacāni
Instrumental	apacena	apacābhyām	apacaiḥ
Dative	apacāya	apacābhyām	apacebhyaḥ
Ablative	apacāt	apacābhyām	apacebhyaḥ
Genitive	apacasya	apacayoḥ	apacānām
Locative	apace	apacayoḥ	apaceṣu

Compound apaca -

Adverb -apacam -apacāt