pubescent vs puberulent

pubescent and puberulent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
pubescent	No	Yes	No	No
puberulent	No	Yes	No	No

As adjectives, pubescent and puberulent are synonyms defined as:

Other synonyms of pubescent include downy, sericeous.

pubescent (adjective)	puberulent (adjective)
covered with fine soft hairs or down	covered with fine soft hairs or down
(of animals especially human beings) having arrived at the onset of puberty (the age at which sex glands become functional) but not yet fully mature