Category
page 1Nonstandard spelling

leet
thumb|An "eleet hacker" (31337 H4XØR) laptop sticker, along with a "Free Kevin Mitnick|Kevin" sticker
typographical error
mistake made in typing printed material
metal umlaut
decorative use of the diacritic ◌̈ over letters in the names of hard rock or heavy metal bands
typosquatting
thumb|right|240px|An incorrectly entered URL could lead to a website operated by a cybersquatter.
Typosquatting, also called URL hijacking, a sting site, a cousin domain, or a fake URL, is a form of cybersquatting, and possibly brandjacking which relies on mistakes such as typos made by Internet users when inputting a website address into a web browser. A user accidentally entering an incorrect website address may be led to any URL, including an alternative website owned by a cybersquatter.
Arabic chat alphabet
Romanized Arabic alphabet
HTTP referer
HTTP header field that identifies the address of the webpage that linked to the resource being requested
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herstory
Herstory is a term for history written from a feminist perspective and emphasizing the role of women, or told from a woman's point of view. It originated as an alteration of the word "history", as part of a feminist critique of conventional historiography, which in their opinion is traditionally written as "his story", i.e., from the male point of view. The term is a neologism and a deliberate play on words; the word "history"—via Latin historia from the Ancient Greek word ἱστορία, a noun meaning 'knowledge obtained by inquiry'—is etymologically unrelated to the possessive pronoun
cacography
Cacography is bad spelling or bad handwriting. The term in the sense of "poor spelling, accentuation, and punctuation" is a semantic antonym to orthography, and in the sense of "poor handwriting" it is an etymological antonym to the word calligraphy: cacography is from Greek κακός (kakos "bad") and γραφή (graphe "writing").
Hexspeak
Hexspeak is a novelty form of variant English spelling using the hexadecimal digits. Created by programmers as memorable magic numbers, hexspeak words can serve as a clear and unique identifier with which to mark memory or data.
Muphry's law
adage that states: "If you write anything criticizing editing or proofreading, there will be a fault of some kind in what you have written."

Faux Cyrillic
using Cyrillic letters to represent Latin ones
misspelling
REDIRECT Spelling#Misspellings
Latinx
thumb|Latinx, gender-neutral term used to describe people who are of Latin American origin or descent
IDN homograph attack
using visually similar characters in domain names to deceive users
eye dialect
non-standard spelling emphasizing a pronunciation
KERNAL
KERNAL is Commodore's name for the ROM-resident operating system core in its 8-bit home computers: from the original PET of 1977, followed by the extended but related versions used in its successors: the VIC-20; Commodore 64; Plus/4; Commodore 16; and Commodore 128.
Martian language
unconventional representation of Chinese characters online
Unifon
thumb|300px|right|class=skin-invert-image|The beginning of the Lord's Prayer, rendered in modern Unifon (two fonts), and in standard English orthography
commonly misspelled words in English
Wikimedia list article.