Keep One, Drop One

[Ol'Skool Classic]

rise up

jumped up

 

[Tamstrong]

jumped up

tied up

 

[Ol'Skool Classic]

tied up

break up

 

[Tamstrong]

break up

lunch break

 

[Ol'Skool Classic]

lunch break

break down

 

[Tamstrong]

break down

dial down

 

[Ol'Skool Classic]

dial down

dial tone

 

[Tamstrong]

dial tone

rotary dial

 

[Ol'Skool Classic]

rotary dial

rotary phone

 

[Tamstrong]

rotary phone

rotary engine

 

[Ol'Skool Classic]

rotary engine

rocket engine

 

[Tamstrong]

rocket engine

bottle rocket

 

[DudeNY12]

bottle rocket

bottle cap

 

[Tamstrong]

bottle cap

bottle opener

 

[Ol'Skool Classic]

bottle opener

can opener

 

[Tamstrong]

can opener

series opener

 

[Ol'Skool Classic]

series opener

series finale

 

[Tamstrong]

series finale

book series

 

[DudeNY12]

book series

world series

 

[Tamstrong]

world series

world peace