Declension table of ātta

Masculine	Singular	Dual	Plural
Nominative	āttaḥ	āttau	āttāḥ
Vocative	ātta	āttau	āttāḥ
Accusative	āttam	āttau	āttān
Instrumental	āttena	āttābhyām	āttaiḥ āttebhiḥ
Dative	āttāya	āttābhyām	āttebhyaḥ
Ablative	āttāt	āttābhyām	āttebhyaḥ
Genitive	āttasya	āttayoḥ	āttānām
Locative	ātte	āttayoḥ	ātteṣu

Compound ātta -

Adverb -āttam -āttāt