orthopaedist vs orthopedist

orthopaedist and orthopedist both are nouns.

Word	Noun	Adjective	Verb	Adverb
orthopaedist	Yes	No	No	No
orthopedist	Yes	No	No	No

As nouns, orthopaedist and orthopedist are synonyms defined as:

orthopaedist and orthopedist: a specialist in correcting deformities of the skeletal system (especially in children)

orthopaedist (noun)	orthopedist (noun)
a specialist in correcting deformities of the skeletal system (especially in children)	a specialist in correcting deformities of the skeletal system (especially in children)