reminiscence vs reminiscent

reminiscence is a noun but reminiscent is not a noun.

Word	Noun	Adjective	Verb	Adverb
reminiscence	Yes	No	No	No
reminiscent	No	Yes	No	No

reminiscence (noun)	reminiscent (noun)
the process of remembering (especially the process of recovering information by mental effort)
a mental impression retained and recalled from the past

reminiscence (adjective)	reminiscent (adjective)
	serving to bring to mind