Declension table of ?upacara

Neuter	Singular	Dual	Plural
Nominative	upacaram	upacare	upacarāṇi
Vocative	upacara	upacare	upacarāṇi
Accusative	upacaram	upacare	upacarāṇi
Instrumental	upacareṇa	upacarābhyām	upacaraiḥ
Dative	upacarāya	upacarābhyām	upacarebhyaḥ
Ablative	upacarāt	upacarābhyām	upacarebhyaḥ
Genitive	upacarasya	upacarayoḥ	upacarāṇām
Locative	upacare	upacarayoḥ	upacareṣu

Compound upacara -

Adverb -upacaram -upacarāt