hunk vs sluice box

hunk

noun
  • A large or dense piece of something. 

  • A honyock. 

  • A goal or base in children's games. 

  • An attractive man, especially one who is muscular. 

  • A record of differences between almost contiguous portions of two files (or other sources of information). Differences that are widely separated by areas which are identical in both files would not be part of a single hunk. Differences that are separated by small regions which are identical in both files may comprise a single hunk. Patches are made up of hunks. 

sluice box

noun
  • A box with riffles along the bottom, used to trap heavier gold particles as water washes them and the other material along the box. 

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