ambush vs enmesh

ambush

verb
  • To attack by ambush; to waylay. 

  • To station in ambush with a view to surprise an enemy. 

noun
  • The act of concealing oneself and lying in wait to attack by surprise. 

  • The concealed position or state from which a surprise attack is launched. 

  • An attack launched from a concealed position. 

  • The troops posted in a concealed place, for attacking by surprise; those who lie in wait. 

enmesh

verb
  • To involve in difficulties. 

  • To involve in such complications as to render extrication difficult. 

  • To mesh; to tangle or interweave in such a manner as not to be easily separated, particularly in a mesh or net like manner. 

How often have the words ambush and enmesh occurred in a corpus of books? (source: Google Ngram Viewer )