Declension table of ?adhyeya

Neuter	Singular	Dual	Plural
Nominative	adhyeyam	adhyeye	adhyeyāni
Vocative	adhyeya	adhyeye	adhyeyāni
Accusative	adhyeyam	adhyeye	adhyeyāni
Instrumental	adhyeyena	adhyeyābhyām	adhyeyaiḥ
Dative	adhyeyāya	adhyeyābhyām	adhyeyebhyaḥ
Ablative	adhyeyāt	adhyeyābhyām	adhyeyebhyaḥ
Genitive	adhyeyasya	adhyeyayoḥ	adhyeyānām
Locative	adhyeye	adhyeyayoḥ	adhyeyeṣu

Compound adhyeya -

Adverb -adhyeyam -adhyeyāt