The best replacement for osteophyte is exostosis.

The best alternatives to osteophyte are rated as following:
★★★★★  exostosis
★★★★★  syndesmophytes
★★★★  enthesophyte
★  syndesmophyte

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Speaking about osteophyte, one probably shouldn't forget about protrusion.

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



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osteophyte
exostosis
syndesmophytes