Almost immediately, OED had to be updated with additional volumes.
OED gives 'choregraphic' as alternate spelling for 'choreographic'.
And so too does the notice of the scholiast (after Apollodorus) on Sophocles, OED.
These inconsistencies were left as printed; words split at line-end were not generally checked against their OED form.
initialism of Oxford English Dictionary, attested from 1898, according to the "Oxford English Dictionary."