(ái): cancer

(ái) is a Chinese character meaning “cancer.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), it is composed of (semantic) and (phonetic). It ranks #1782 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, sickness. Its radical form (illness) appears in many related characters such as (, medicine), (bìng, illness), (téng, ache).

Native pronunciation

Definitions

  1. cancer

Etymology & Origin

pictophoneticsickness

Decomposition: ⿸疒嵒 (layout: surround-from-upper-left)

Stroke Order

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

Practice writing with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

Common Compounds

WordPinyinMeaning
ái zhèngcancer
fèi áilung cancer
ái xì bāocancer cell
rǔ xiàn áibreast cancer
kàng áianti-cancer
zhì áito cause cancer
pí fū áiskin cancer
gān áiliver cancer
wèi áistomach cancer
ái biànto become cancerous
zhì ái wùcarcinogen
xuè áileukemia
ái qián qīprecancerous stage
zhì ái wù zhìcarcinogen
shí dào áiesophageal cancer
28
Total compounds
14
As first character
75
As last character
11
As middle character

appears in 28 compound words: 14 as the first character, 75 as the last, and 11 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

zhèng
0.75070,645 co-occurrences
xiàn
0.66814,116 co-occurrences
fèi
0.63514,831 co-occurrences
0.60512 co-occurrences
gān
0.5896,798 co-occurrences
wèi
0.5845,070 co-occurrences
chún
0.57513 co-occurrences
huàn
0.56916,243 co-occurrences
0.5679,780 co-occurrences
bāo
0.54512,672 co-occurrences

Idioms & Chengyu (1)

zǐgōngjǐng'áiHSK 7+

cervical cancer

noun

Example Sentences

AI-Generated

早期发现症可以提高治愈率,定期体检很重要。

Zǎoqī fāxiàn áizhèng kěyǐ tígāo zhìyù lǜ, dìngqī tǐjiǎn hěn zhòngyào.

Early detection of cancer can improve the cure rate; regular check-ups are very important.

Investing 香港Feb 2026

宏利金融擴大為症理賠者提供第二醫療意見服務

hóng lì jīn róng 擴 dà 為 ái zhèng lǐ 賠 zhě tí gōng dì èr 醫 療 yì 見 fú 務

Manulife Expands Second Medical Opinion Service for Cancer Claimants

Yahoo FinanceFeb 2026

拜耳就前列腺藥物營銷問題起訴強生(JNJ.US)

bài ěr jiù qián liè xiàn ái 藥 wù 營 銷 問 題 qǐ 訴 強 shēng .

Bayer Sues Johnson & Johnson (JNJ.US) Over Prostate Cancer Drug Marketing

StheadlineFeb 2026

大便3大變化自測健康 這2種顏色恐患胰臟/大腸 伴隨3情況須求醫

dà biàn dà 變 huà zì 測 jiàn kāng 這 種 顏 sè kǒng huàn 胰 臟 ái dà 腸 ái bàn 隨 qíng 況 須 qiú 醫

3 Major Stool Changes to Self-Assess Your Health These 2 Colors May Indicate Pancreatic/Colon Cancer Seek Medical Attention If Accompanied by These 3 Symptoms

TvbsFeb 2026

神器來了!台中女骶骨冒罕見巨型瘤 3個月...

kàng ái shén qì 來 le ! tái zhōng nǚ 骶 gǔ mào hǎn 見 jù xíng liú 個 yuè . . .

A Cancer-Fighting Wonder Has Arrived! Taichung Woman Develops Rare Giant Tumor in Sacrum—Within 3 Months...

BastillepostFeb 2026

科學重大突破!研究證實:貓咪症基因與人類高度相似 有助開發新療法

kē 學 chóng dà tū pò ! yán jiū 證 實 貓 咪 ái zhèng jī yīn 與 rén 類 gāo dù xiāng sì yǒu zhù 開 發 xīn 療 fǎ

Major scientific breakthrough! Research confirms: Cat cancer genes highly similar to humans, paving the way for new therapies

Tatoeba

我的父親是患症死的。

Wǒ de fùqīn shì huàn áizhèng sǐ de.

My father died of cancer.

Tatoeba

空气中的微粒可以引发症。

Kōngqì zhōng de wēilì kěyǐ yǐnfā áizhèng.

Tiny particles in the air can cause cancer.

Tatoeba

紫外线可导致皮肤

Zǐwàixiàn kě dǎozhì pífū'ái.

Ultraviolet rays can cause skin cancer.

Tatoeba

细胞已经扩散到她的胃。

áixìbāo yǐjīng kuòsàn dào tā de wèi.

The cancer has spread to her stomach.

Character Family

Homophones — Characters pronounced ái

Frequently Asked Questions

What does 癌 (ái) mean in Chinese?
癌 (ái) primarily means "cancer." It is classified as HSK Level 7-9, making it an expert-level character. It ranks #1782 in character frequency.
How many strokes does 癌 have?
癌 is written with 17 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 癌?
The radical associated with 癌 is 疒 (illness). This radical appears in many characters related to illness.
What are the components of 癌?
癌 is composed of: 疒 (semantic), 嵒 (phonetic). Its IDS decomposition is ⿸疒嵒 with a surround-from-upper-left layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 癌?
Common words with 癌 include: 癌症 (ái zhèng, "cancer"); 肺癌 (fèi ái, "lung cancer"); 癌细胞 (ái xì bāo, "cancer cell"); 乳腺癌 (rǔ xiàn ái, "breast cancer"); 抗癌 (kàng ái, "anti-cancer"). There are over 28 compound words containing this character.
What characters sound the same as 癌 (ái)?
Several characters share the pronunciation ái: 哎 (hey!), 哀 (Ai (c. 2000 BC), sixth of legendary Flame Emperors 炎帝 descended from Shennong 神農|神农 Farmer God, also known as Li 釐|厘), 唉 (interjection or grunt of agreement or recognition (e.g. yes, it's me!)), 挨 (in order), and 6 more. Context and tones help distinguish between them in speech and writing.
Is 癌 the same in simplified and traditional Chinese?
Yes, 癌 is written the same way in both simplified and traditional Chinese.

Practice writing with real-time feedback

Trace stroke sequences, hear native pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.