九
JLPT HSK 1

jiǔ
The number ten 十 with a hook乚, that is substracting
10 - 1 = 9

	杂
JLPT HSK 4

zá
Top: nine 九, below: tree 木, simplified from 雑, which was with bird 隹
Nine trees [even without birds] are miscellanous and mixed.

	染
JLPT HSK 4

rǎn
Top: water 氵, nine 九, bottom: tree 木
You need water (= liquid) in 9 (colors, namely the 7 colors of the rainbow + black/white), obtained from trees, to dye with it.

	究
JLPT HSK 4

jiū
Top: hole, cavity 穴 (It is covered 宀 and a narrowing path 八 leads into the cave.), bottom: nine 九
Hole 'nine' should be investigated.

	轨
JLPT HSK 6

guǐ
Left: vehicle 车 (車= cart with axle丨 load-area 日 wheels 二), right: nine 九 [here: two rails 儿 connected with a tie/sleeper 一]
For the vehicles are the rails as their track or path.

	仇
JLPT HSK 6

chóu, qiú
Left: person 亻, right: nine 九
Persons who come in ninths are your enemies.

	丸
JLPT HSK 6

wán
Nine 九 with an additional stroke 丶
A 'nine' needs an additional stroke to become round like a pill.

	抛
JLPT HSK 6

pāo
From left: hand 扌, vari. of nine 九, force 力
In the hand you need nine-fold force for throwing.

	旭
JLPT no HSK

xù
Left: nine 九, right: sun 日
The upward direction ナ over the horizon 一 with a sun ray 乚 stands for: rising sun.

	鸠
JLPT no HSK

jiū
Left: nine 九 (here: image of a pigeon ナ with a head 乚 pecking at the ground.), right: bird 鸟/鳥
It is pecking at the ground. This bird is the: turtle-dove. (pigeon)