Comparing the two fragrances…

Givenchy

Plaisance
Xeryus
Classic
Shared character
Both Xeryus and Classic share a core composition of jasmine, rose, sandalwood, musk, lily of the valley, violet, and carnation. They both feature woody, floral, citrus, green, fresh, and warm spicy accords.
How they differ
Xeryus is characterized by a wide array of unique notes including lemon, bergamot, ylang-ylang, geranium, oakmoss, vetiver, amber, leather, clary sage, cinnamon, coriander, violet leaves, lavender, petitgrain, tarragon, green notes, juniper berries, cedar, frankincense, cyclamen, mandarin orange, cypress, basil, balsam fir, incense, mace, and nutmeg flower, resulting in spicy, earthy, aromatic, and fresh spicy accords. In contrast, Classic is distinguished by green leaves and citrus notes, which contribute to powdery and white floral accords.
Who each suits
Xeryus suits those who prefer complex, aromatic, earthy, and spicy profiles. Classic suits those who prefer powdery and white floral profiles.
Only in Classic