Prespack or Presspack: How To spell?
The word Prespack is misspelled against Presspack, a verb meaning "To pack, or prepare for packing, by means of a press."
Presspack has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pre & pack which should not be misspelled with single 'S'
Wrong Spelling:  pre-s-pack  Correct Spelling:  pre-ss-pack 
Explore spell check of Presspack to spell without errors.