physiological jaundice of the newborn vs icterus neonatorum

physiological jaundice of the newborn and icterus neonatorum both are nouns.

Word	Noun	Adjective	Verb	Adverb
physiological jaundice of the newborn	Yes	No	No	No
icterus neonatorum	Yes	No	No	No

As nouns, physiological jaundice of the newborn and icterus neonatorum are synonyms defined as:

physiological jaundice of the newborn and icterus neonatorum: yellowish appearance in newborn infants; usually subsides spontaneously

Other synonyms of physiological jaundice of the newborn include jaundice of the newborn.

physiological jaundice of the newborn (noun)	icterus neonatorum (noun)
yellowish appearance in newborn infants; usually subsides spontaneously	yellowish appearance in newborn infants; usually subsides spontaneously