Declension table of arcanīya

Neuter	Singular	Dual	Plural
Nominative	arcanīyam	arcanīye	arcanīyāni
Vocative	arcanīya	arcanīye	arcanīyāni
Accusative	arcanīyam	arcanīye	arcanīyāni
Instrumental	arcanīyena	arcanīyābhyām	arcanīyaiḥ
Dative	arcanīyāya	arcanīyābhyām	arcanīyebhyaḥ
Ablative	arcanīyāt	arcanīyābhyām	arcanīyebhyaḥ
Genitive	arcanīyasya	arcanīyayoḥ	arcanīyānām
Locative	arcanīye	arcanīyayoḥ	arcanīyeṣu

Compound arcanīya -

Adverb -arcanīyam -arcanīyāt