Declension table of ?āgatatva

Neuter	Singular	Dual	Plural
Nominative	āgatatvam	āgatatve	āgatatvāni
Vocative	āgatatva	āgatatve	āgatatvāni
Accusative	āgatatvam	āgatatve	āgatatvāni
Instrumental	āgatatvena	āgatatvābhyām	āgatatvaiḥ
Dative	āgatatvāya	āgatatvābhyām	āgatatvebhyaḥ
Ablative	āgatatvāt	āgatatvābhyām	āgatatvebhyaḥ
Genitive	āgatatvasya	āgatatvayoḥ	āgatatvānām
Locative	āgatatve	āgatatvayoḥ	āgatatveṣu

Compound āgatatva -

Adverb -āgatatvam -āgatatvāt