Common Words by Reading

サイ
77.6%
the future is unpredictable
frontier fort ②remote area
mountain stronghold ②den of mountain bandits ③knock-off (goods, esp. Chinese-made electronics)
outside a fort ②outside the Great Wall of China
inside a fort ②(area) within the Great Wall of China
ふさ
18.4%
to stop up ②to stand in the way ③to feel depressed
to stop up ②to stand in the way ③to feel depressed
to fill a hole with earth
to stop (plug) one's ears
being closed ②unlucky direction (in Onmyōdō; due to the presence of a god such as Ten'ichijin)
closing of the winter hearth
ソク
4.1%
stoppage ②infarction
being trapped (and having no way out) ②withdrawal from society during personal financial hardship ③house arrest (Edo period)
Others
to dam up (a stream)
unlucky direction (in Onmyōdō; due to the presence of a god such as Ten'ichijin)
to be shrouded by darkness ②to fall into deep sadness or despair