Common Words:
* Special
* Official
* Beneficial
* Commercial
* Essential
* Musical
* Initial
* Financial
* Social
* Artificial
* Provincial
Less Common Words:
* Censorial
* Convivial
* Differential
* Editorial
* Fictitious
* Judicial
* Material
* Presidential
* Residential
* Superficial
Words with specific meanings:
* Aboriginal (relating to the original inhabitants of a place)
* Ephemeral (lasting for a very short time)
* Interstitial (relating to spaces between things)
* Mercurial (subject to sudden or unpredictable changes)
Tip: You can use a dictionary or online thesaurus to find more words ending in "cial".
Let me know if you need any more help!