logon

noun

"logon" is a 5-letter English headword indexed on PlainSpell.

The verdict

“logon” is uncommon English (frequency #61,597 among 2,297 “L” headwords), classed as a noun. The kind of spelling people second-guess.

#61,597
frequency rank, English
2,297
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - credentials: the combination of a user's identification and password used to enter a computer.

Corpus desk

Index EN-logon · logon · English

logon · rank #61,597 · 0 variants · 0 confusables

  • FREQ-RARE #61,597
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH linea

Nearest frequency peer: linea (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “logon”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “logon” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for logon
PropertyValue
Headwordlogon
LanguageEnglish
Part of speechNoun
Letters5
Frequency rank#61,597
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “logon” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).logonfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “linea” (#61,596), “longboard” (#61,599), “lightspeed” (#61,593). Among 2,297 “L” headwords, “logon” is #61,597. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

logon is uncommon English at frequency #61,597 among 2,297 “L” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for logon, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Deverbal from log on. The correct English form is logon, spelled L-O-G-O-N.

Definition

  1. 1
    credentials: the combination of a user's identification and password used to enter a computer.
  2. 2
    The process of logging on.

Recorded use

Wiktionary examples

These source excerpts show how logon appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Using the same logon for different systems can be a security risk.
  2. The user's desktop is displayed shortly after logon.

Etymology

Deverbal from log on.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "logon"?
"logon" is spelled L-O-G-O-N.
What does "logon" mean?
As a noun, "logon" means: credentials: the combination of a user's identification and password used to enter a computer.
What is the origin of the word "logon"?
Deverbal from log on. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "logon", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list