Use the last letter

[DotSlash]

Elastic.

 

[thesilentman]

Cardboard.

 

[MrCollins]

Defibrillator.

 

[Goofguy]

Rigid

 

[Anti-American Eagle]

Disco

 

[thesilentman]

Oratory.

 

[Scarim Coral]

Opal

 

[Eclipse Dragon]

Lazulite

 

[SomeLameStuff]

Emerald

 

[scorptatious]

Dodecahedron

 

[Johnny Novgorod]

Nitroglicerine

 

[Redlin5_v1legacy]

Exodus

 

[thesilentman]

Superb!

 

[Johnny Novgorod]

Belisarius

 

[Anti-American Eagle]

Sanity

 

[AwesomeExpress]

Yoda.

 

[MrCollins]

Agreed

 

[thesilentman]

Desolate.

 

[Anti-American Eagle]

Explosion

 

[Scarim Coral]

Never