Common Words
* science
* ancient
* patience
* efficient
* deficient
* sufficient
* concience (although this is often spelled "conscience")
Less Common Words
* artifice
* beneficence
* circumference
* coincidence
* compliance
* conference
* conscience
* deference
* difference
* efficiency
* inference
* influence
* obedience
* opulence
* preference
* resilience
* science
* transcience
* variance
Remember: The spelling of "cie" is often influenced by the word's origin and etymology.