The best replacement for pencil is pen.

The best alternatives to pencil are rated as following:
★★★★★  pen
★★★  liquid eyeliner
★★★  camera
★★  jot script
★  mechanical pencil
★  pixel
★  balsamiq
★  synfig
★  gel eyeliner
★  jot touch
★  maglus
★  camera ben heine
★  graphite
★  line skirt
  pencil
  wooden pencil
  pinch pleat
  brow powder
  bamboo stylus
  pen drawing
  crayon eyeliner
  1 dm pen
  eraser
  #2 pencil
  eyebrow powder
  eyeliner
  charcoal drawings
  picture
  colored pencil
  lead pencil

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

Other search terms related to pencil and their ratings are:
★★★★★ sharpener
★★★ middle
You have in mind a companion for pencil and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pencil in all years. Click on graph for more.
pencil
pen
liquid eyeliner