Declension table of ?jānuka

Neuter	Singular	Dual	Plural
Nominative	jānukam	jānuke	jānukāni
Vocative	jānuka	jānuke	jānukāni
Accusative	jānukam	jānuke	jānukāni
Instrumental	jānukena	jānukābhyām	jānukaiḥ
Dative	jānukāya	jānukābhyām	jānukebhyaḥ
Ablative	jānukāt	jānukābhyām	jānukebhyaḥ
Genitive	jānukasya	jānukayoḥ	jānukānām
Locative	jānuke	jānukayoḥ	jānukeṣu

Compound jānuka -

Adverb -jānukam -jānukāt