RichThesaurus
gastro-esophageal reflux disease
vs
gastro-oesophageal reflux disease
gastro-esophageal reflux disease
gastro-oesophageal reflux disease
How often have the words
gastro-esophageal reflux disease
and
gastro-oesophageal reflux disease
occurred in a corpus of books?
(source:
Google Ngram Viewer
)