Declension table of ?āyatanatva

Neuter	Singular	Dual	Plural
Nominative	āyatanatvam	āyatanatve	āyatanatvāni
Vocative	āyatanatva	āyatanatve	āyatanatvāni
Accusative	āyatanatvam	āyatanatve	āyatanatvāni
Instrumental	āyatanatvena	āyatanatvābhyām	āyatanatvaiḥ
Dative	āyatanatvāya	āyatanatvābhyām	āyatanatvebhyaḥ
Ablative	āyatanatvāt	āyatanatvābhyām	āyatanatvebhyaḥ
Genitive	āyatanatvasya	āyatanatvayoḥ	āyatanatvānām
Locative	āyatanatve	āyatanatvayoḥ	āyatanatveṣu

Compound āyatanatva -

Adverb -āyatanatvam -āyatanatvāt