Difference between Blacken and Melanize

BLACKEN vs MELANIZE: VERB

Make or become black
To make dirty.
To defame or sully.
To cook (meat or fish) by coating with pepper, etc., and quickly searing in a hot pan.
To become black.
Burn slightly and superficially so as to affect color

To make black.
To sully or defame.
To coat (fish or meat, for example) with pepper and other spices and then quickly sear in a very hot skillet, thereby producing meat that is black on the outside but tender on the inside.
To become dark or black.

To grow black or dark.
To make black; darken.
In founding, to coat (the face of a mold) with graphite, or any mixture used for the purpose, in order to create a surface which will gasify under the heat of the molten metal.
Figuratively, to sully; make infamous; defame; cause to appear immoral or vile: as, vice blackens the character.

Discolour, Disfigure, Tarnish, Darken, Besmirch, Demonise, Tar, Undermine, Defame, Denigrate, Nigrify, Melanize, Black, Char, Scorch

Xanthochroid, Xanthoprotein, Melanaemia, Organic process, Pigmentous, Phyllocyanin, Plant hormone, Visual purple, Phylloxanthin, Leucoplastid, Lipochrin, Animal pigment, Nigrify, Blacken, Black

Discredit, Malign, Burnish, Singe, Discolour, Disfigure, Tarnish, Darken, Besmirch, Tar, Undermine, Denigrate, Black, Char, Scorch

Histohaematin, Xanthochroid, Xanthoprotein, Melanaemia, Organic process, Pigmentous, Phyllocyanin, Plant hormone, Visual purple, Phylloxanthin, Leucoplastid, Lipochrin, Animal pigment, Blacken, Black

Even the jokes about such a comic could blacken your eyes with their obviousness.
Typically two males in breeding conditionwill blacken their beards and perform headbobbing behaviours.
Do not blacken your fame, and perish in tax deductions home business dishonor.
Why should he labour, and bring fresh grief to blacken his years?
May Allah blacken your face and curse you Abu Bakr lovers.
Students should read each question carefully and blacken the appropriate box.
With excess of current the pieces become gray, and blacken.
SYN: Asperse, defame, calumniate, vilify, abuse, scandalize, traduce, belittle, blacken.
Do NOT let them burn or blacken all over!
You can blacken my name to the King.