baldness vs phalacrosis

baldness and phalacrosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
baldness	Yes	No	No	No
phalacrosis	Yes	No	No	No

As nouns, baldness and phalacrosis are synonyms defined as:

baldness and phalacrosis: the condition of having no hair on the top of the head

baldness (noun)	phalacrosis (noun)
the condition of having no hair on the top of the head	the condition of having no hair on the top of the head