authentication

/ɔːˌθɛntɪˈkeɪʃn̩/

//ɔːˌθɛntɪˈkeɪʃn̩// noun

By · According to Wiktionary data (CC BY-SA) ·

"authentication" is a 14-letter English headword indexed on PlainSpell.

The verdict

“authentication” has 21 generated spelling variants in the English index at frequency #18,243. The variants make it a useful spelling check.

#18,243
frequency rank, English
3,931
“A” headwords
21
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Something which validates or confirms the authenticity of something; or the process of doing so.

Corpus desk

Index EN-authentication · authentication · English

authentication · rank #18,243 · 21 variants · 0 confusables

  • FREQ-MID #18,243
  • LEN-MEGA 14 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 21 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH Astros

Nearest frequency peer: Astros (-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.

Rank peers near misspelling magnet “authentication”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “authentication” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for authentication
PropertyValue
Headwordauthentication
LanguageEnglish
Part of speechNoun
IPA/ɔːˌθɛntɪˈkeɪʃn̩/
Letters14
Frequency rank#18,243
Misspellings tracked21
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “authentication”

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).authenticationlands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “Astros” (#18,242), “awaken” (#18,244), “asserting” (#18,241). Among 3,931 “A” headwords, “authentication” is #18,243. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 21 spelling variants around authentication (IPA /ɔːˌθɛntɪˈkeɪʃn̩/), anoun. Corpus frequency is #18,243 among 3,931 “A” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 21 likely wrong-spelling variants for authentication, with forms such as "atuhentication", "auhtentication", and "autehntication". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From authenticate + -ation. The correct English form is authentication, spelled A-U-T-H-E-N-T-I-C-A-T-I-O-N.

Definition

  1. 1
    Something which validates or confirms the authenticity of something; or the process of doing so.
  2. 2
    Proof of identity required by a user to log on to some network or access some resource.
  3. 3
    A hallmark or assay-mark on a piece of metalwork.

Recorded use

Wiktionary examples

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

  1. document authentication
  2. strong authentication

Etymology

From authenticate + -ation.

Synonyms

authentification

This word in other languages

autenticación(Español)authentification(Français)Authentifikation(Deutsch)autenticação(Português)

Common misspellings

Also misspelled as:

  • atuhentication
  • auhtentication
  • autehntication
  • authenitcation
  • authenntication
  • authentciation
  • authentiaction
  • authenticaiton
  • authenticasion
  • authenticatino
  • authenticationn
  • authenticatoin
  • authenticattion
  • authenticcation
  • authentictaion
  • authenttication
  • authetnication
  • authhentication
  • authnetication
  • autthentication
  • uathentication

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of authentication - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

atuhentication2auhtentication2autehntication2authenitcation2authenntication1authentciation2authentiaction2authenticaiton2
Edit distance from "authentication"

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 "authentication"?
"authentication" is spelled A-U-T-H-E-N-T-I-C-A-T-I-O-N. The IPA pronunciation is /ɔːˌθɛntɪˈkeɪʃn̩/.
What does "authentication" mean?
As a noun, "authentication" means: Something which validates or confirms the authenticity of something; or the process of doing so.
What are common misspellings of "authentication"?
Common misspellings include "atuhentication", "auhtentication", "autehntication", "authenitcation", "authenntication". The correct spelling is "authentication".
How do you pronounce "authentication"?
The IPA (International Phonetic Alphabet) transcription for "authentication" is /ɔːˌθɛntɪˈkeɪʃn̩/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "authentication"?
From authenticate + -ation. 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 "authentication", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

understatement#18,210distinguishing#18,292geographically#18,319appropriations#18,014

Similar misspelling depth

Headwords with a similar count of attested misspellings (21 here; floor ≥5).

complimentary21 variantscybersecurity21 variantsdysfunctional21 variantsindispensable21 variants

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

Source: FrequencyWords open word-frequency list