to compete; to race; contest; competition; match; race
竞 · 10 strokes
Simplified form of 競. Pictograph of two people side-by-side competing with each other.
赛 · 14 strokes
Simplified form of 賽. Phonosemantic compound. 貝 represents the meaning and 塞 represents the sound. Based on the original meaning "thank offering". The meaning later shifted to "compete".