pheochromocytoma vs phaeochromocytoma

pheochromocytoma and phaeochromocytoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
pheochromocytoma	Yes	No	No	No
phaeochromocytoma	Yes	No	No	No

As nouns, pheochromocytoma and phaeochromocytoma are synonyms defined as:

pheochromocytoma and phaeochromocytoma: a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension

pheochromocytoma (noun)	phaeochromocytoma (noun)
a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension	a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension