The Four Letter Game - Updated

[Anti-American Eagle]

REND

 

[LynxParadox]

READ

 

[Eclipse Dragon]

REAL

 

[Porygon-2000]

REEL

 

[PsychicTaco115]

SEEK

 

[Eclipse Dragon]

LEAK

 

[Eclipse Dragon]

LEAK

You changed two letters, CHEATER!

It's still a 4 letter word, it needed changing, we're heading into an endless loop here.
Fine...

MEEK

 

[Scarim Coral]

GEEK

 

[Eclipse Dragon]

PEEK

 

[Porygon-2000]

PEAL (okay, it's a proper noun, but those count too!)

 

[LynxParadox]

SEAL

 

[Scarim Coral]

DEAL

 

[Iyon]

DIAL

 

[VeryOddGamer]

VIAL

 

[Eclipse Dragon]

DIAL

 

[VeryOddGamer]

I really can't think of anything besides VIAL.

 

[Iyon]

DILL

 

[VeryOddGamer]

DULL

 

[Eclipse Dragon]

FULL

 

[VeryOddGamer]

FALL