cephalohematoma vs cephalhematoma

cephalohematoma and cephalhematoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
cephalohematoma	Yes	No	No	No
cephalhematoma	Yes	No	No	No

As nouns, cephalohematoma and cephalhematoma are synonyms defined as:

cephalohematoma and cephalhematoma: a collection of blood under the scalp of a newborn; caused by pressure during birth

cephalohematoma (noun)	cephalhematoma (noun)
a collection of blood under the scalp of a newborn; caused by pressure during birth	a collection of blood under the scalp of a newborn; caused by pressure during birth