4 letter (change 1 letter)

[Just-me]

Lust

 

[YorkBloke]

Nuts

 

[Walks]

Tune

 

[LinusVP]

Punt

 

[Cazz]

Nuts

 

[YorkBloke]

Slut
(Not a word I like, but it works).

 

[TravellingBlue]

List

 

[Just-me]

Tits

 

[TravellingBlue]

Stir

 

[Cazz]

Ties

 

[TravellingBlue]

Suit

 

[LinusVP]

Bust

 

[Cazz]

Busy

 

[LinusVP]

Busk

 

[Cazz]

Tusk

 

[LinusVP]

Musk

 

[Cazz]

Must

 

[LinusVP]

Mast

 

[Cazz]

Vast

 

[LinusVP]

Vest