The term 'less plentiful' can be described by four different crossword solutions: scanter (7 letters), rarer (5 letters), sparer (6 letters), and scantier (8 letters). Scanter means to scatter or spread out, while rarer means less common or infrequent. Sparer means to be economical or frugal with something, and scantier means having a small amount of something. All four words describe the concept of having less of something than usual.