The word popularize is a verb not a noun; to make someone or something popular: popularize, popularizes, popularizing, popularized.
The noun forms for the verb are popularization, popularizer, and the gerund, popularizing.
surfing
popularize Yiddish
Marches
Arches!
Mary Cassatt was the American impressionist whose work did much to popularize that artistic style in North America.
They helped to popularize the genre and have innovated it.
the mullet.
Tupac
Grimy Lopez
Eddie Boy
mambo
hula hoops.