What's the difference between hexastyle and tetrastyle?

Hexastyle

Definition:

• (a.) Having six columns in front; -- said of a portico or temple.
• (n.) A hexastyle portico or temple.

Example Sentences:

Tetrastyle

Definition:

• (a.) Having four columns in front; -- said of a temple, portico, or colonnade.
• (n.) A tetrastyle building.

Example Sentences: