• 花はな — flower
• 花火はなび — fireworks
• 花見はなみ — flower viewing
• 花屋はなや — flower shop
• 花束はなたば — bouquet
• 花道はなみち — ceremonial walkway / stage runway
• 花粉かふん — pollen
• 花嫁はなよめ — bride

“花” combines the grass radical (艹) with 化 (to change), suggesting transformation and natural beauty. It’s also used in many expressions related to seasons, celebration, and “the highlight” of something.