haematochezia vs hematochezia

haematochezia and hematochezia both are nouns.

Word	Noun	Adjective	Verb	Adverb
haematochezia	Yes	No	No	No
hematochezia	Yes	No	No	No

As nouns, haematochezia and hematochezia are synonyms defined as:

haematochezia and hematochezia: passage of stools containing blood (as from diverticulosis or colon cancer or peptic ulcer)

haematochezia (noun)	hematochezia (noun)
passage of stools containing blood (as from diverticulosis or colon cancer or peptic ulcer)	passage of stools containing blood (as from diverticulosis or colon cancer or peptic ulcer)