Necessary; necessity

必要

Become cloudy

曇る

よる

Rely, depend; lean

拠る

Become clear

晴れる

Is severe

酷い

ふる

Fall (Of rain, snow, etc)

降る

Stop (of rain, snow, etc)

止む

Flood

大水

Approach, draw near; become acquainted

近付く

Bring close; associate with

近付ける

Rainy season

梅雨

Look! Hey!

かぜ

Wind

風

ふく

Blow

吹く

Thunder, thunderbolt

雷

Sound

Staggered work hours

時差出勤