The best replacement for disk is disc.

The best alternatives to disk are rated as following:
★★★★★  disc
★★  drum brakes
★★  tape
★★  dynamic disk
★  disc medical
★  basic disk
★  washer
  bulging disk
  disk error
  floppy disk
  rdisk
  shell method
  tape backup
  hard drive
  ram
  drive
  diskeeper
  herniated disk
  cd
  disc spelling
  basic
  ssd
  san
  disk
  tiller
  compact disc
  solid state hard drive
  hard disk
  herniation
  solid state drive
  mbr disk
  field cultivator
  dynamic
  flash memory camcorder
  drum

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

Other search terms related to disk and their ratings are:
★★★★★ fdisk
★★★★ formatting
★★★ mbr
★★ raw format
★★ floppy
★★ cd mac
★★ os
★ format
★ reboot
★ floppy drive
★ unsupported format
★ windows xp
drive
You have in mind a companion for disk and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of disk in all years. Click on graph for more.
disk
disc
drum brakes