hemothorax vs haemothorax

hemothorax and haemothorax both are nouns.

Word	Noun	Adjective	Verb	Adverb
hemothorax	Yes	No	No	No
haemothorax	Yes	No	No	No

As nouns, hemothorax and haemothorax are synonyms defined as:

hemothorax and haemothorax: accumulation of blood in the pleural cavity (the space between the lungs and the walls of the chest)

hemothorax (noun)	haemothorax (noun)
accumulation of blood in the pleural cavity (the space between the lungs and the walls of the chest)	accumulation of blood in the pleural cavity (the space between the lungs and the walls of the chest)