Game: Change one letter of a 4-letter word

[2a03fox]

Knot

 

[creamyfox]

Know

 

[Mr-Rose-Lizard]

Knew

 

[Sir Thaikard]

Knee

 

[FrostHeart]

Knex

 

[Thrashy]

Knux

 

[Mr-Rose-Lizard]

Knox

 

[Foxy Emy]

Knox

Knix

 

[DirtySmoke]

Onix

 

[Arishipshape]

Unix

(Operating system)

 

[Cosmic-FS]

'Enit (British slang for "isn't it" because I could not think of anything)

 

[Guifrog]

Exit

 

[Marcl]

Edit

 

[pilgrimfromoblivion]

Evit

 

[Kharayi]

There doesn't appear to be any words that are only one letter off. Soo....

OVAL

 

[Arishipshape]

Opal

 

[creamyfox]

Opel

 

[VeeStars]

Open

 

[Kharayi]

Omen

 

[VeeStars]

Amen

 

[Arishipshape]

Acen.

"ACEN is a specialized professional accreditor for practical, diploma, associate, baccalaureate, master's including post master's certificate, and clinical doctorate including DNP specialist certificate nursing programs."

 

[FurryFelix]

Aces

 

[Arishipshape]

Acet

"variant spelling of aceto- shortened before a vowel (as in acetaldehyde )."

 

[Foxy Emy]

Ocet

Polish word for Vinegar. Because it is hard to come up with anything else.

 

[Arishipshape]

Olet

"Olet Fittings (also called Branch Connection Fittings or Outlet Fittings) are fittings which provide an outlet from a larger pipe to a smaller one (or one of the same size). The main pipe onto which the branch connection is welded is usually called the Run or Header size"