Declension table of ?vastita

Neuter	Singular	Dual	Plural
Nominative	vastitam	vastite	vastitāni
Vocative	vastita	vastite	vastitāni
Accusative	vastitam	vastite	vastitāni
Instrumental	vastitena	vastitābhyām	vastitaiḥ
Dative	vastitāya	vastitābhyām	vastitebhyaḥ
Ablative	vastitāt	vastitābhyām	vastitebhyaḥ
Genitive	vastitasya	vastitayoḥ	vastitānām
Locative	vastite	vastitayoḥ	vastiteṣu

Compound vastita -

Adverb -vastitam -vastitāt