Common Words by Reading

レイ
88.1%
zero
falling into straitened circumstances
insignificant
zero (points, marks) ②zero (of a function) ③zero degrees (Celsius)
zero degrees (Celsius) ②zero (on a scale)
going undefeated
こぼ
こぼれる
11.3%
to spill ②to grumble ③to let one's feelings show
to spill ②to peek through ③to escape (of a smile, tear, etc.)
waste-water container (tea ceremony)
unexpected piece of good luck
ぜろ
0.6%
Zero fighter plane