"C" is the third letter in the English alphabet. It is a consonant in the English language.

Consonants are the letters that are produced by stopping the letter from flowing easily.

Uppercase Form

C

Lowercase Form

c

Name

si (pronounced /ˈsi:/)

Common Sounds

/s/, /k/, /Ø/, /ʃ/

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The Letter C: Sounds

Common Sounds

In English, the letter "c" mainly has four sounds:

Sound 1: /s/

"c" before "e," "i," and "y" mainly sounds /s/:

Example

city /ˈsɪt̬.i/

certificate /sɚˈtɪf.ə.kət/

cinema /ˈsɪn.ə.mə/

cylinder /ˈsɪl.ɪn.dɚ/

Sound 2: /k/

"c" before other vowels has the /k/ sound:

Example

car /kɑːr/

cactus /ˈkæk.təs/

camp /kæmp/

Sound 3: /Ø/

"c" can be silent too:

Example

indict /ˌɪnˈdaɪt/

Tucson /ˈtuːsɒn/

Connecticut /kəˈnɛt.ɪ.kət/

Sound 4: /ʃ/

There are also a few instances in English where "c" can produce a /ʃ/ sound:

Example

ocean /ˈoʊ.ʃən/

social /ˈsoʊ.ʃəl/

sufficient /səˈfɪʃənt/

Tip!

The letter "c" is pronounced as /tʃ/ primarily in words borrowed from Italian or Latin. This pronunciation is uncommon in English and generally appears only in specific loanwords:

Example

cello /ˈɛloʊ/

cappuccino /ˌkæpəˈinoʊ/

The Letter C: Multigraphs

Letter "c" can sometimes be combined with other vowels or consonants to produce a different sound:

cc

"cc" before "i," "e," and "y" generally represents /ks/:

Example

accident /ˈæk.sə.dənt/

succeed /səkˈsiːd/

coccyx /ˈkɑːk.sɪks/

ch

"ch" commonly has three sounds:

/tʃ/

/ʃ/

/k/

1. "c" in combination with "h" generally represents /tʃ/:

Example

torch /tɔːr/

church /ɝː/

chop /ɑːp/

cheer /ɪr/

2. "ch" also has the /ʃ/ sound in French loanwords:

Example

machine /məˈʃiːn/

moustache /ˈmʌs.tæʃ/

chef /ʃef/

3. "c" combined with "h" also sounds /k/:

Example

choreography /ˌkɔːr.iˈɑː.ɡrə.fi/

choir /ˈkwaɪ.ɚ/

chord /kɔːrd/

Tip!

Remember that in the word schedule /sk/ is pronounced in American English; however, in British English, "s" is pronounced with "che" as /ʃ/.

Example

schedule /ˈskɛdʒʊl/

ck

"c" in "ck" has the sound /k/, in other words, "ck" sounds /k/:

Example

bucket /ˈbʌk.ɪt/

sock /sɑːk/

duck /dʌk/

sc

"sc" has the sound /s/:

Example

scientist /ˈsaɪən.tɪst/

scent /sent/

sci

"sc" in "sci" has the /ʃ/ sound:

Example

conscious /ˈkɑːn.ʃəs/

luscious /ˈlʌʃ.əs/

conscience /ˈkɑːn.ʃəns/

cqu

"cq" in "cqu" has the sound /k/:

Example

acquire /əˈkwaɪɚ/

acquaint /əˈkweɪnt/

racquet /ˈræk.ɪt/

cio

"c" in "cio" has the /ʃ/ sound:

Example

vicious /ˈvɪʃ.əs/

delicious /dɪˈlɪʃ.əs/

The Letter C: Uses

The letter "C" is also:

An abbreviation used instead of Celsius or centigrade after numbers: 10°C

A computer programming language

A grade or mark at universities like C+ C-

A musical note

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