The best replacement for staple is filament.

The best alternatives to staple are rated as following:
★★★★★  filament
★★★★  nail hardwood flooring
★★★  suture
★★★  staple
★★★  stable
★★★  nail
★★  nail hardwood floor
★★  bcf
★  nail hardwood
★  paperclip
★  paper clip
★  short staple cotton
★  glue engineered hardwood
★  continuous filament
★  brad
  nail hardwood floors
  steeple
  long staple cotton
  nail shingles
  consumer discretionary
  cleat

Your alternative for staple is not listed? Suggest!
Speaking about staple, one probably shouldn't forget about staples.

Other search terms related to staple and their ratings are:
★★★★★ staples
★★★ stapler
★★ no stapler
★ copy machine
★ staple
★ normal stapler
You have in mind a companion for staple and it is not yet here? Propose!



Google Trends

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staple
filament
nail hardwood flooring