atmark

noun

"atmark" is a 6-letter English headword indexed on PlainSpell.

The verdict

“atmark” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The at sign (@).

Key facts for atmark
PropertyValue
Headwordatmark
LanguageEnglish
Part of speechNoun
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “atmark” sits in English frequency

atmark falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for atmark is 6 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "The at sign (@).".

No generated misspelling entries exist for atmark in our index, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From at + mark. The correct English form is atmark, spelled A-T-M-A-R-K.

Definition

  1. 1
    The at sign (@).

Etymology

From at + mark.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "atmark"?
"atmark" is spelled A-T-M-A-R-K.
What does "atmark" mean?
As a noun, "atmark" means: The at sign (@).
What is the origin of the word "atmark"?
From at + mark. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “atmark”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-T-M-A-R-K - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list