Use the last letter

[Barbas]

Trees.

 

[Malpraxis]

Salutiferous.

 

[Barbas]

Scraping.

 

[Malpraxis]

Genetrix.

 

[Johnny Novgorod]

Xbox

 

[Malbourne]

Xanadu.

 

[Johnny Novgorod]

Uruk

 

[Barbas]

Klondike.

 

[RedDeadFred]

Elk

 

[kailus13]

Kill.

 

[RedDeadFred]

Lynx.

 

[Barbas]

Xylophone.

 

[Twintix]

Echo

 

[Barbas]

Ornate.

 

[RedDeadFred]

Effervescent.

 

[Johnny Novgorod]

Trot

 

[Barbas]

Teabag.

 

[Johnny Novgorod]

Gag

 

[kingofkumquats]

Gregarious.

 

[Malbourne]

Shy.