Declension table of ?vṛkṣapāka

Masculine	Singular	Dual	Plural
Nominative	vṛkṣapākaḥ	vṛkṣapākau	vṛkṣapākāḥ
Vocative	vṛkṣapāka	vṛkṣapākau	vṛkṣapākāḥ
Accusative	vṛkṣapākam	vṛkṣapākau	vṛkṣapākān
Instrumental	vṛkṣapākeṇa	vṛkṣapākābhyām	vṛkṣapākaiḥ vṛkṣapākebhiḥ
Dative	vṛkṣapākāya	vṛkṣapākābhyām	vṛkṣapākebhyaḥ
Ablative	vṛkṣapākāt	vṛkṣapākābhyām	vṛkṣapākebhyaḥ
Genitive	vṛkṣapākasya	vṛkṣapākayoḥ	vṛkṣapākāṇām
Locative	vṛkṣapāke	vṛkṣapākayoḥ	vṛkṣapākeṣu

Compound vṛkṣapāka -

Adverb -vṛkṣapākam -vṛkṣapākāt