The term 'Fragrant Flower Used in Leis' can be summarized as the Frangipani (10 letters). Frangipani is a genus of flowering plants native to tropical and subtropical regions of the Americas, Africa, Madagascar, and Oceania. It is also known as Plumeria, and its flowers are used to make leis, which are traditional Hawaiian garlands. The flowers have a sweet, fragrant scent and come in a variety of colors, including white, yellow, pink, and red.