矮
JLPT HSK 3

ǎi
Left: arrow 矢 (= An arrow ノ in the sky 天), right: entrust 委 (Rice plants 禾 can women 女 be entrusted.)
(A shot with a low/flat trajectory is more accurate than a steep shot.) The arrow can be trusted when it (= the trajectory) is low.

	委
JLPT HSK 5

wēi, wěi
Top: rice plant 禾, bottom: woman 女
Rice plants can women be entrusted.

	萎
JLPT HSK 6

wēi, wěi
Top: plant 艹, bottom: to entrust 委 (Rice plants 禾 can women 女 be entrusted.)
The plants I entrusted you, are (all) withered.

	魏
JLPT no HSK

wèi
Left: entrust 委 (Rice plants 禾 can women 女 be entrusted.), right: devil 鬼
For the rice plants, the women quarreled like devils in the state: 'Wei' during the warring states.

	巍
JLPT no HSK

wēi
Top: mountain 山, bottom: Wei-Dynasty 魏 (entrust 委 [Rice plants 禾 can women 女 be entrusted], devil 鬼)
The mountains in the Wei-dynasty were lofty.

	倭
JLPT no HSK

wō
Left: person 亻, right: entrust 委 (Rice plant 禾 can women 女 be entrusted.)
(especially trustworthy) The person who can be entrusted is the: Japanese.