4 letter (change 1 letter)

[Just-me]

Leaf

 

[Thermo78]

Fail

 

[Just-me]

Life

 

[Thermo78]

Wife

 

[bubbly]

Fire

 

[Starbuck]

Dire

 

[Just-me]

Dive

 

[LinusVP]

Dove

 

[Hobbity]

love

 

[Thermo78]

Live

 

[Hobbity]

life

 

[Thermo78]

Fell

 

[LinusVP]

Bell

 

[Thermo78]

Belt

 

[LinusVP]

Bolt

 

[nobby700]

Told

 

[Thermo78]

Lost

 

[Hobbity]

toss

 

[Thermo78]

Moss

 

[Cazz]

Boss