- 字母表 zìmǔbiǎo alphabeta list of all the letters used in a language, arranged in a standard order
- 大写字母 dàxiězìmǔ capital lettersuppercase letters; majuscule
- 拉丁字母 lādīngzìmǔ Latin alphabetThe alphabet used for Latin and most Western European languages, such as English, French, and German; also the basis for the [[汉语拼音|漢語拼音|han4 yu3 pin1 yin1]] system.
- 小写字母 xiǎoxiězìmǔ lowercase letterslowercase letters; minuscules
- 希腊字母 xīlàzìmǔ Greek alphabetThe set of twenty-four letters used to write the Greek language; also widely used as symbols in mathematics, physics, and astronomy.
- 注音字母 zhùyīnzìmǔ Zhuyin alphabetA set of phonetic symbols for Mandarin Chinese introduced in 1918 and currently used primarily in Taiwan; also known colloquially as Bopomofo (after the first four letters: ㄅㄆㄇㄈ)
- 字母数字 zìmǔshùzì alphanumericalphanumeric characters; letters and numbers
- 拼音字母 pīnyīnzìmǔ phonetic alphabetThe letters used in a phonetic writing system (e.g., the 26 letters of the English alphabet)
- 朝鲜字母 cháoxiǎnzìmǔ hangulthe Korean phonetic alphabet; Korean letters
- 罗马字母 luómǎzìmǔ Roman alphabetThe set of letters used by the ancient Romans and currently used for many modern languages; Roman letters.
- 西里尔字母 xīlǐ'ěrzìmǔ Cyrillic alphabetthe Cyrillic alphabet or the Cyrillic letters
- 阿拉伯字母 ālābózìmǔ Arabic alphabetThe writing system developed around the 4th century from Aramaic script; used for the Arabic language and other languages in regions like Iran and Afghanistan, traditionally consisting of 28 letters representing consonants with vowels indicated by markings.
- 韩文字母 hánwénzìmǔ Hangulthe Korean phonetic alphabet; Korean letters
- 首字母 shǒuzìmǔ initialsthe first letter of a word or each of the first letters of a name
- 首字母缩写 shǒuzìmǔsuōxiě acronymacronym; a word formed from the initial letters of a phrase
- 万国语音学字母 wànguóyǔyīnxuézìmǔ International Phonetic Alphabetsystem of phonetic notation based on the Latin alphabet to represent the sounds of spoken languages
- 首字母缩略词 shǒuzìmǔsuōlüècí acronymacronym; initialism
- 三十六字母 sānshíliùzìmǔ thirty-six initial consonantsA set of thirty-six representative characters used to denote the initial consonant sounds of Chinese during the Tang and Song dynasties.
- 卢恩字母 lú'ēnzìmǔ runea character from the ancient runic alphabet used by Germanic peoples
- 国际语音学字母 guójìyǔyīnxuézìmǔ International Phonetic Alphabetsystem of phonetic notation based on the Latin alphabet to represent the sounds of spoken languages
- 国音字母 guóyīnzìmǔ National Phonetic AlphabetThe system of phonetic symbols used to mark the pronunciation of characters; refers to [[注音符号|註音符號|zhu4 yin1 fu2 hao4]]
- 字母词 zìmǔcí alphabetic wordA word or term written using characters from an alphabet, such as Latin or Greek letters, often mixed with Chinese characters, numbers, or symbols.
- 字母顺序 zìmǔshùnxù alphabetical order
- 手指字母 shǒuzhǐzìmǔ manual alphabetA system of hand signals where different finger positions represent letters of the alphabet, used by the deaf and hard of hearing to spell out words.
