Declension table of yūpa

Masculine	Singular	Dual	Plural
Nominative	yūpaḥ	yūpau	yūpāḥ
Vocative	yūpa	yūpau	yūpāḥ
Accusative	yūpam	yūpau	yūpān
Instrumental	yūpena	yūpābhyām	yūpaiḥ yūpebhiḥ
Dative	yūpāya	yūpābhyām	yūpebhyaḥ
Ablative	yūpāt	yūpābhyām	yūpebhyaḥ
Genitive	yūpasya	yūpayoḥ	yūpānām
Locative	yūpe	yūpayoḥ	yūpeṣu

Compound yūpa -

Adverb -yūpam -yūpāt