What's the difference between decastyle and tetrastyle?

Decastyle

Definition:

• (a.) Having ten columns in front; -- said of a portico, temple, etc.
• (n.) A portico having ten pillars or columns in front.

Example Sentences:

Tetrastyle

Definition:

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

Example Sentences: