Sachets are small bags filled with fragrant herbs, spices, and other materials that are used to scent a room or clothing. The two crossword solutions for the term 'sachet scent' are 'LILAC' (5 letters) and 'LAVENDER' (8 letters). LILAC is a flowering shrub of the olive family that produces a sweet, delicate scent. LAVENDER is an aromatic plant of the mint family that has a sweet, floral scent. Both LILAC and LAVENDER are popular scents used in sachets.