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orthopedics
sports medicine. orthopedics. gerontology. pediatric orthopedics. food sciences
That is the correct spelling of "orthopedics" (the study of orthopedic medicine).
William Meltzer has written:
'Orthopedics' -- subject(s): Orthopedics
Because there is the proper way, ORTHOPAEDICS, and the wrong way ORTHOPEDICS