Declension table of ?yajñavāstu

Neuter	Singular	Dual	Plural
Nominative	yajñavāstu	yajñavāstunī	yajñavāstūni
Vocative	yajñavāstu	yajñavāstunī	yajñavāstūni
Accusative	yajñavāstu	yajñavāstunī	yajñavāstūni
Instrumental	yajñavāstunā	yajñavāstubhyām	yajñavāstubhiḥ
Dative	yajñavāstune	yajñavāstubhyām	yajñavāstubhyaḥ
Ablative	yajñavāstunaḥ	yajñavāstubhyām	yajñavāstubhyaḥ
Genitive	yajñavāstunaḥ	yajñavāstunoḥ	yajñavāstūnām
Locative	yajñavāstuni	yajñavāstunoḥ	yajñavāstuṣu

Compound yajñavāstu -

Adverb -yajñavāstu