The best replacement for spine is backbone.

The best alternatives to spine are rated as following:
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★★★  vertebrae
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★  cervical spine
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Speaking about spine, one probably shouldn't forget about scoliosis.

Other search terms related to spine and their ratings are:
★★★★★ scoliosis
★★★★ vertebrae
★★ labels
★ curvature
★ lordosis
You have in mind a companion for spine and it is not yet here? Propose!



Google Trends

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spine
backbone
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