What is the difference?
A shinigami (Romaji) is a God of Death.
An akuma (again, romaji) is a Devil.
These things are extremely alike, are there any drastic differences? I know this sounds like a stupid question, but what would a shinigami look like, somewhat, compared to an akuma?

Question

What is the difference?
A shinigami (Romaji) is a God of Death.
An akuma (again, romaji) is a Devil. 
These things are extremely alike, are there any drastic differences? I know this sounds like a stupid question, but what would a shinigami look like, somewhat, compared to an akuma?

Answer

死神shinigami 
https://ja.wikipedia.org/wiki/%E6%AD%BB%E7%A5%9E
https://en.wikipedia.org/wiki/Death_%28personification%29

悪魔akuma
https://ja.wikipedia.org/wiki/%E6%82%AA%E9%AD%94
https://en.wikipedia.org/wiki/Devil