Declension table of ?āttavidya

Masculine	Singular	Dual	Plural
Nominative	āttavidyaḥ	āttavidyau	āttavidyāḥ
Vocative	āttavidya	āttavidyau	āttavidyāḥ
Accusative	āttavidyam	āttavidyau	āttavidyān
Instrumental	āttavidyena	āttavidyābhyām	āttavidyaiḥ āttavidyebhiḥ
Dative	āttavidyāya	āttavidyābhyām	āttavidyebhyaḥ
Ablative	āttavidyāt	āttavidyābhyām	āttavidyebhyaḥ
Genitive	āttavidyasya	āttavidyayoḥ	āttavidyānām
Locative	āttavidye	āttavidyayoḥ	āttavidyeṣu

Compound āttavidya -

Adverb -āttavidyam -āttavidyāt