Flowers with sword-shaped leaves are a type of flower that have long, thin leaves that resemble a sword. Two examples of these flowers are gladioli and irises. Gladioli is an 8 letter word and irises is a 6 letter word. Gladioli are a type of flowering plant that belongs to the iris family and has tall, showy flower spikes. Irises are also a type of flowering plant that belong to the iris family and have sword-shaped leaves and colorful flowers.