Declension table of ?yajñamahotsava

Masculine	Singular	Dual	Plural
Nominative	yajñamahotsavaḥ	yajñamahotsavau	yajñamahotsavāḥ
Vocative	yajñamahotsava	yajñamahotsavau	yajñamahotsavāḥ
Accusative	yajñamahotsavam	yajñamahotsavau	yajñamahotsavān
Instrumental	yajñamahotsavena	yajñamahotsavābhyām	yajñamahotsavaiḥ yajñamahotsavebhiḥ
Dative	yajñamahotsavāya	yajñamahotsavābhyām	yajñamahotsavebhyaḥ
Ablative	yajñamahotsavāt	yajñamahotsavābhyām	yajñamahotsavebhyaḥ
Genitive	yajñamahotsavasya	yajñamahotsavayoḥ	yajñamahotsavānām
Locative	yajñamahotsave	yajñamahotsavayoḥ	yajñamahotsaveṣu

Compound yajñamahotsava -

Adverb -yajñamahotsavam -yajñamahotsavāt