Declension table of ?yāṣṭīka

Masculine	Singular	Dual	Plural
Nominative	yāṣṭīkaḥ	yāṣṭīkau	yāṣṭīkāḥ
Vocative	yāṣṭīka	yāṣṭīkau	yāṣṭīkāḥ
Accusative	yāṣṭīkam	yāṣṭīkau	yāṣṭīkān
Instrumental	yāṣṭīkena	yāṣṭīkābhyām	yāṣṭīkaiḥ yāṣṭīkebhiḥ
Dative	yāṣṭīkāya	yāṣṭīkābhyām	yāṣṭīkebhyaḥ
Ablative	yāṣṭīkāt	yāṣṭīkābhyām	yāṣṭīkebhyaḥ
Genitive	yāṣṭīkasya	yāṣṭīkayoḥ	yāṣṭīkānām
Locative	yāṣṭīke	yāṣṭīkayoḥ	yāṣṭīkeṣu

Compound yāṣṭīka -

Adverb -yāṣṭīkam -yāṣṭīkāt