Only 1 letter

[MechaStarfish91]

Bold

[JayNighte]

Bald

[Remiel]

Bard

A musical vocation

[Renegade Vile]

Bard
to
Bared - We have all been that at some point.

[MechaStarfish91]

Bared
to
Bare

[AmberStarfire]

Bare
to
Bake

[MechaStarfish91]

Bake
to
Rake

[Adammair]

Rake
to
Drake

[Crimzon Dragon]

Brake

[Renegade Vile]

Brake
to
Broke

[JayNighte]

Broke to Bloke

[Fabjuth]

Bloke to sloke

Because like mold, who wants their junk covered in slimy sloke.

[Crimzon Dragon]

Sloke to
Slake

'cause I have no idea what sloke is, but it sounds bad if it's something that will mess up my junk.

[Renegade Vile]

Slake
to
Flake

Because everyone is a flake sometimes.

[MechaStarfish91]

Flake
to
Fake

[AmberStarfire]

Fake
to
Cake

because cake is good.

[MechaStarfish91]

Cake
to
Bake

Because you need to bake a cake to make it good :P

[Beguile's Mistress]

Bake
to
take.

Cause when you bake a cake it's great to take it somewhere like a party. :-)

[Dovel]

Take
to
Talk

Because you know you will end up talking at the party.

[JayNighte]

talk >>walk

[Lost in Thought]

Walk >>> Balk

Balk (/bok/)
hesitate or be unwilling to accept an idea or undertaking.

[Remiel]

balk
to
bald

I simply balk at the idea I am going bald.

[Lost in Thought]

Bald >>>> Ball

Then the expression Cue Ball would be a little.... rude huh?

[MechaStarfish91]

Ball
to
Call

[Lost in Thought]

Call >>>>> Fall