4 letter (change 1 letter)

[Cazz]

Pack

 

[Starbuck]

Hack

 

[RedKnight99]

Cake

 

[nick1962]

Coke

 

[RedKnight99]

Cock

 

[nick1962]

Mock

 

[RedKnight99]

Come

 

[nick1962]

Core

 

[RedKnight99]

Rock

 

[nOracle]

Rack

 

[nick1962]

Sack

 

[RedKnight99]

Case

 

[nick1962]

Cues

 

[RedKnight99]

Cute

 

[nick1962]

Tune

 

[Walks]

Newt

 

[nick1962]

West

 

[RedKnight99]

Swat

 

[nick1962]

Swan

 

[RedKnight99]

Wane