Declension table of ?yajñakalpa

Neuter	Singular	Dual	Plural
Nominative	yajñakalpam	yajñakalpe	yajñakalpāni
Vocative	yajñakalpa	yajñakalpe	yajñakalpāni
Accusative	yajñakalpam	yajñakalpe	yajñakalpāni
Instrumental	yajñakalpena	yajñakalpābhyām	yajñakalpaiḥ
Dative	yajñakalpāya	yajñakalpābhyām	yajñakalpebhyaḥ
Ablative	yajñakalpāt	yajñakalpābhyām	yajñakalpebhyaḥ
Genitive	yajñakalpasya	yajñakalpayoḥ	yajñakalpānām
Locative	yajñakalpe	yajñakalpayoḥ	yajñakalpeṣu

Compound yajñakalpa -

Adverb -yajñakalpam -yajñakalpāt