Declension table of adhyātma

Neuter	Singular	Dual	Plural
Nominative	adhyātmam	adhyātme	adhyātmāni
Vocative	adhyātma	adhyātme	adhyātmāni
Accusative	adhyātmam	adhyātme	adhyātmāni
Instrumental	adhyātmena	adhyātmābhyām	adhyātmaiḥ
Dative	adhyātmāya	adhyātmābhyām	adhyātmebhyaḥ
Ablative	adhyātmāt	adhyātmābhyām	adhyātmebhyaḥ
Genitive	adhyātmasya	adhyātmayoḥ	adhyātmānām
Locative	adhyātme	adhyātmayoḥ	adhyātmeṣu

Compound adhyātma -

Adverb -adhyātmam -adhyātmāt