Comparing the two fragrances…

Chanel

Fragonard
Gabrielle
Fleur D'Oranger
Only in Gabrielle
Shared character
Both Gabrielle and Fleur D'Oranger belong to the floral family and share a composition of jasmine, bergamot, orange blossom, ylang-ylang, neroli, musk, mandarin, and mandarin orange. They both feature citrus, fresh, sweet, powdery, musky, and white floral accords.
How they differ
Gabrielle includes notes of tuberose, sandalwood, grapefruit, vanilla, pink pepper, lily of the valley, pear, blackcurrant, cashmeran, and orris, resulting in woody, fruity, and yellow floral accords. Fleur D'Oranger contains honey and is characterized by spicy, creamy, animalic, fresh spicy, and soapy accords.
Who each suits
Gabrielle suits those who prefer woody, fruity, and yellow floral profiles. Fleur D'Oranger suits those who prefer spicy, creamy, animalic, fresh spicy, or soapy profiles.
Only in Fleur D'Oranger