Răspuns :
masc.fem.-cafanii,cafeniile,pustii,pustiile,plumburilor,plumburile,ruginiti,ruginite.
Cafeniu-(plural,masculin)Cafenii~(plural feminin)Cafenii
Pustiu-(plural,masculin)pustii~(articulat pustiii) (plural feminin)pustii(articulat Pustiile)
Plumbului-(plural masculin,plumbi,plumbii)
Ruginit- (plural,masculin) ruginiti~ (plural feminin) ruginite
Pustiu-(plural,masculin)pustii~(articulat pustiii) (plural feminin)pustii(articulat Pustiile)
Plumbului-(plural masculin,plumbi,plumbii)
Ruginit- (plural,masculin) ruginiti~ (plural feminin) ruginite