tangle1
  
  v.
  - twist together into a confused mass.
- 
(tangle with)
 informal become involved in a conflict with.
n.
  - a confused mass of something twisted together. ▸a confused or complicated state. 
- informal a fight or argument.
Derivative
  
  Etymology
  ME: prob. of Scand. origin and rel. to Swed. dial. taggla ‘disarrange’.
 
  
    
tangle2
  
  n.
 any of a number of brown seaweeds, especially oarweed.
Etymology
  C16: prob. from Norw. tongul.