Popularised vs. Popularized: What's the Difference?

Popularised and Popularized Definitions
Popularised
Simple past tense and past participle of popularise
Popularized
To make popular
A famous dancer popularized the new hairstyle.
Popularized
To present in a widely understandable or acceptable form
Popularize technical material for a general audience.
Popularized
Simple past tense and past participle of popularize