4 letter (change 1 letter)

[bigtallfella]

muff

 

[bigtallfella]

Miff

 

[Plane_Jane]

Miff

Sorry, hadn't noticed you already posted 'muff'

Milf

 

[bigtallfella]

Lime

 

[Plane_Jane]

Limb

 

[Cazz]

Boil

 

[Plane_Jane]

Oily

 

[Walks]

Lily

 

[Plane_Jane]

Lilt

 

[Walks]

Flit

 

[Plane_Jane]

Flat

 

[LinusVP]

Flap

 

[Cazz]

Flag

 

[Starbuck]

Slag

 

[Walks]

Last

 

[LinusVP]

Lost

 

[Plane_Jane]

Stop

 

[LinusVP]

Step

 

[Plane_Jane]

Test

 

[LinusVP]

Tits