The term 'Big Bloom' can refer to four different types of flowers: Peony (5 letters), MUM (3 letters), Tearose (7 letters), and SUNFLOWER (9 letters). Peonies are a type of flower that is often used in bouquets and arrangements, and they come in a variety of colors. Mums are a type of daisy-like flower that is popular for its bright colors and long-lasting blooms. Tearoses are a hybrid between roses and tulips, and they have a unique shape and color. Finally, sunflowers are tall, bright yellow flowers that are known for their cheerful appearance. All four of these flowers are considered to be 'big blooms, ' and they are often used to create beautiful and vibrant displays.