The best replacement for disc is disk.

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Your alternative for disc is not listed? Suggest!
Speaking about disc, one probably shouldn't forget about annular tear.

Other search terms related to disc and their ratings are:
★★★★★ annular tear
★★ sciatica
★ disc
stenosis
You have in mind a companion for disc and it is not yet here? Propose!



Google Trends

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