字 - character, letter, word

surname; family name; last name

(piece of) type; movable type; moveable type; printing type

alphanumeric character; letters (of the English alphabet) and numbers

boldface; bold-type; thick characters

horizontal script (esp. of a European language); European writing; Roman letters

emoji

(one) letter; (one) character

English letter; alphabetic character

misprint; misspelling; typo; typographical error; erratum

penmanship; calligraphy

number of characters per line, page, etc.

dictionary