The best replacement for pin is pen.

The best alternatives to pin are rated as following:
★★★★★  pen
★★  24 pin power supply
★★  6 pin firewire
★★  brooch
★★  signature
★  6 pin
★  broach
★  password
★  24 pin
★  manchester terrier
★  apd
★  repin
★  pattern lock
  20 pin
  20 4 pin
  4 pin firewire
  80 pin ide cable
  3 pin
  pendant
  20 pin power supply
  bbm
  20 pin connector
  3 pin glock
  chihuahua
  signature debit
  pbc
  pattern more secure
  240 pin
  passkey
  agi
  chip and signature
  ball joint
  4 pin fan
  submission
  pin
  signature debit card
  ball joints
  bolt
  bobby pin
  large pin
  200 pin ram
  dynamorio
  80 pin cable
  80 pin scsi
  right hinge pin
  4 pin s-video

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

Other search terms related to pin and their ratings are:
★★★★★ clip
★★★★ bail
★★★ tpm
★★★ back
★★ piercing
★ swivel lock
atm
blackberry messenger
You have in mind a companion for pin and it is not yet here? Propose!



Google Trends

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pin
pen
24 pin power supply