To mix up, muddle up (one thing with another); to mistake (one thing for another).
to puzzle, perplex, baffle, bewilder (somebody); to afflict by being complicated, contradictory, or otherwise difficult to understand
To mix thoroughly; to confound; to disorder.
To be confused.
To cut something using a jigsaw.
Something that can be compared to a jigsaw puzzle.
A power saw with fine teeth and a narrow blade which can cut curves in wood or metal.
A jigsaw puzzle.