口
The 口 radical
Mouth
Memory hook
The shape of an open mouth
The 口 radical (read kǒu) means mouth. The HSK 3.0 data contains 139 characters and 841 words built on it — learning them together is far faster than one character at a time.
Practise the 口 radical
Study this radical's 841 words with flashcards or a quiz.
The free plan drills 15 words per radical. Upgrade to Premium
Characters with the 口 radical
139 charactersThe free plan shows 9 characters per HSK level (63/139 characters of this radical).
HSK 1· 9 characters
HSK 1口
mouth
叫
to be called; to be named
右
right side; the right
号
(day of the month)
吃
to eat
同
the same; alike
名
name
后
after; behind (in time or position)
吗
a question particle (turns a statement into a yes/no question)
HSK 2· 9 characters
HSK 2句
sentence; phrase
只
(measure word for animals)
可
can; to be permitted
司
to manage; to take charge of
合
to close (eyes, a book); to fit; suitable
向
toward; facing
吹
to blow; to play (a wind instrument)
周
Zhou (a surname)
味
taste; flavor; smell
HSK 3· 9 characters
HSK 3古
ancient; old (in time)
另
other, another
台
Taiwan
各
each; every
否
to negate, no, not
吵
noisy; loud
员
member; staff member
命
life, living being
咖
coffee
HSK 4· 9 characters
HSK 4召
to summon, to convene
史
history
叶
leaf
含
to hold in the mouth
吸
to inhale, to breathe in
呀
interjection (particle)
呼
to call, to shout
咸
salty
售
to sell
HSK 5· 9 characters
HSK 5吐
to vomit
吓
frighten, scare
吨
ton
启
to open up, to develop
呆
stay put, stay in one place
咬
to bite
咳
Oh!; Alas!
唯
only, merely
喷
to spray, to spurt
HSK 6· 9 characters
HSK 6叹
to sigh; to lament
吉
lucky, auspicious
吊
to hang up
吞
to swallow
咨
to ask; to consult
哇
wow; oh
哲
wise; sagacious
啦
a tonal exclamatory word
嘉
fine, good, nice
HSK 7-9· 9 characters
HSK 7-9叨
to receive (usually good fortune or favor; when read tāo)
叭
the sound of gunfire; the sound of firecrackers
叮
to sting; to bite (of an insect)
叼
to hold in the mouth, to carry in the mouth
吁
to sigh
吏
official, mandarin
吕
Lü (a Chinese surname)
君
monarch, lord, ruler
吩
to instruct, to enjoin
Vocabulary with the 口 radical
841 wordsWords containing at least one character with the 口 radical, ordered by HSK level.
The free plan shows 9 words per HSK level (63/841 words of this radical).
last; final
mouth
to be called; to be named
right side; the right
right side; the right
(day of the month)
to eat
to eat a meal
classmate
last week
next week
different; not the same
population
from now on; in the future
afterward; later; from now on
signal
entrance; way in
company
personnel; staff
member
work (of art or literature); creation
civil servant; public official
common; joint; together
front and back
ancient; old (in time)
ancient times; antiquity
on the other hand; from another angle
after, afterward
product
charger
to sell
to contain, to include
history
spoken language, oral speech
to convene, to hold (a meeting)
in one go, at a stretch
in a word, simply put
always, all along
one after another, in turn
announcement, proclamation
agricultural products
to mobilize
slogan
ancient
together, at the same time
to come to power, to take office
dairy product
after the event, afterward
instrument; measuring device
wound, injury
injured person, the wounded
tendency, inclination
writing desk; desk
to blindly insist, to focus solely on one thing
silent, not making a sound
all talking at once, many people speaking at the same time, noisy
everlasting, eternally enduring
boss; superior
to step off stage, to step down (from office)
inconceivable, extraordinary
unavoidable, inevitable
unusual, extraordinary
Why learn vocabulary by the 口 radical?
The 口 radical hints at the meaning mouth. When you meet an unfamiliar character carrying it, you already know part of its meaning before reaching for a dictionary — which is why learners who know their radicals move faster.
How to study: read the memory hook, skim the 139 characters to spot the pattern, then drill the 841 words with flashcards. Spaced repetition brings each word back exactly when you need it.