Use the last letter

[Barbas]

Ether.

 

[Rabbitboy]

Rest

 

[Barbas]

Trees.

 

[TheRiddler]

Seersucker.

 

[Barbas]

Rhesus.

 

[TheRiddler]

Sussex.

 

[Barbas]

Xerox.

 

[Rabbitboy]

Xandar

 

[Barbas]

Reptilian.

 

[RedDeadFred]

Navy.

 

[Barbas]

Yardstick.

 

[Fijiman]

kickery

 

[Johnny Novgorod]

Yak

 

[TheRiddler]

Kangaroo.

 

[Barbas]

Oops.

 

[Drake the Dragonheart]

Strawberry

 

[Barbas]

Yardage.

 

[TheRiddler]

Egad.

 

[Barbas]

Doors.

 

[TheRiddler]

Sriracha.