You searched for: “sesquipedalisms
sesquipedalianism, sesquipedalism (s) (noun); sesquipedalianisms, sesquipedalisms (pl)
The practice of using, long and obscure words in speech or writing: "The senator's speech was sprinkled with sesquipedalianisms which confused reporters and other members of the audience because he was speaking with many incomprehensibly big words."

You may see many examples of sesquipedalianisms with solutions, starting with Group 1-17, by going to sesquipedalia verba.

This entry is located in the following units: -ism, -ismus (page 53) ped-, pedi-, -pedal, -ped, -pede, -pedia (page 10) sesqui- (page 2)