Declension table of ?upacara

Masculine	Singular	Dual	Plural
Nominative	upacaraḥ	upacarau	upacarāḥ
Vocative	upacara	upacarau	upacarāḥ
Accusative	upacaram	upacarau	upacarān
Instrumental	upacareṇa	upacarābhyām	upacaraiḥ upacarebhiḥ
Dative	upacarāya	upacarābhyām	upacarebhyaḥ
Ablative	upacarāt	upacarābhyām	upacarebhyaḥ
Genitive	upacarasya	upacarayoḥ	upacarāṇām
Locative	upacare	upacarayoḥ	upacareṣu

Compound upacara -

Adverb -upacaram -upacarāt