Foul up and Snarl up

Foul up verb - To make or do (something) in a clumsy or unskillful way.

Snarl up and foul up are semantically related In some cases you can use "Snarl up" instead a verb "Foul up".

Snarl up verb - Make more complicated or confused through entanglements.

Foul up and snarl up are semantically related in confuse topic. Sometimes you can use "Foul up" instead a verb "Snarl up", if it concerns topics such as do wrong.