These are the songs sorted according to the word you are looking for (self)

Eminem - Lose Yourself

Onerepublic - Counting Stars

G-eazy - I Mean It Ft Remo

Justin Timberlake - Selfish

Audioslave - Like A Stone

Justin Bieber - Sorry

Miley Cyrus - Flowers

Dj Snake - Selfish Love Ft Selena Gomez

Jess Glynne - Enough