Words ending
in -cial.

social → antisocial

Unfriendly, or harmful to other people.

“Dropping litter is antisocial.”

No common root word

Made by people, not found in nature.

“The flowers were artificial.”

benefit → beneficial

Helpful or good for you.

“Sleep is beneficial for learning.”

commerce → commercial

To do with buying and selling, or an advert.

“We watched a commercial for a new toy.”

No common root word

Extremely important.

“Practice is crucial before a big match.”

face → facial

To do with the face.

“His facial expression showed surprise.”

finance → financial

To do with money.

“She gave him financial advice.”

glacier → glacial

To do with glaciers or ice, or very cold.

“The valley was carved by glacial ice.”

No common root word

To do with courts and judges.

“The judicial system decides legal cases.”

office → official

Approved by people in charge, or a person with an official job.

“The official result was announced at noon.”

province → provincial

To do with a province.

“The provincial capital is by the sea.”

sacrifice → sacrificial

Given up as a sacrifice.

“The pawn was a sacrificial move in the chess game.”

No common root word

To do with people and living together.

“Bees are social insects.”

No common root word

Different from others and better in some way.

“Today is a special day.”

No common root word

Only on the surface, not deep.

“It was a superficial scratch.”

official → unofficial

Not approved by people in charge.

“It was an unofficial break.”