Declension table of ?jyotiṣīka

Masculine	Singular	Dual	Plural
Nominative	jyotiṣīkaḥ	jyotiṣīkau	jyotiṣīkāḥ
Vocative	jyotiṣīka	jyotiṣīkau	jyotiṣīkāḥ
Accusative	jyotiṣīkam	jyotiṣīkau	jyotiṣīkān
Instrumental	jyotiṣīkeṇa	jyotiṣīkābhyām	jyotiṣīkaiḥ jyotiṣīkebhiḥ
Dative	jyotiṣīkāya	jyotiṣīkābhyām	jyotiṣīkebhyaḥ
Ablative	jyotiṣīkāt	jyotiṣīkābhyām	jyotiṣīkebhyaḥ
Genitive	jyotiṣīkasya	jyotiṣīkayoḥ	jyotiṣīkāṇām
Locative	jyotiṣīke	jyotiṣīkayoḥ	jyotiṣīkeṣu

Compound jyotiṣīka -

Adverb -jyotiṣīkam -jyotiṣīkāt