Common Words by Reading

セイ
99.0%
Qi (kingdom in China during the Spring and Autumn Period and the Period of the Warring States)
simultaneous transmission
all-round (market) decline
all-round (market) advance
governing one's family
homogeneous
Qi (kingdom in China during the Spring and Autumn Period and the Period of the Warring States)
サイ
1.0%
Saikō era (854.11.30-857.2.21)