logon

Name: logon, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed May 6, 2026

The verdict

“logon” is uncommon English (frequency #61,597 among 16,425 “L” headwords), classed as a noun. The kind of spelling people second-guess.

#61,597
frequency rank, English: 16,425
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - credentials: the combination of a user's identification and password used to enter a computer.

Key facts for logon
Property	Value
Headword	logon
Language	English
Part of speech	Noun
Letters	5
Frequency rank	#61,597
Misspellings tracked	0
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Where “logon” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). logon lands here:

#61,597

#1#100#1K#10K#100K

← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

logon is uncommon English at frequency #61,597 among 16,425 “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
credentials: the combination of a user's identification and password used to enter a computer.
2
The process of logging on.

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.

Using “logon”

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

The one correct English spelling is L-O-G-O-N - every other letter order is a misspelling in standard orthography.
Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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.