joint vs concerted

joint is a noun but concerted is not a noun.

Word	Noun	Adjective	Verb	Adverb
joint	Yes	Yes	Yes	No
concerted	No	Yes	No	No

joint (noun)	concerted (noun)
marijuana leaves rolled into a cigarette for smoking
junction by which parts or objects are joined together
a disreputable place of entertainment
(anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion)
a piece of meat roasted or for roasting and of a size for slicing into more than one portion
the shape or manner in which things come together and a connection is made

joint (adjective)	concerted (adjective)
united or combined	involving the joint activity of two or more
involving both houses of a legislature
affecting or involving two or more