keystone

\ˈkiː.ˌstəʊn\

/\ˈkiː.ˌstəʊn\/ noun

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

The verdict

“keystone” has 12 generated spelling variants in the French index at frequency #45,697. The variants make it a useful spelling check.

#45,697
frequency rank, French
110,375
“K” headwords
12
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Clef de voûte.

Key facts for keystone
PropertyValue
Headwordkeystone
LanguageFrench
Part of speechNoun
IPA\ˈkiː.ˌstəʊn\
Letters8
Frequency rank#45,697
Misspellings tracked12
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “keystone” sits in French 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). keystone lands here:

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

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

A misspelling magnet

The generator records 12 spelling variants around keystone (IPA \ˈkiː.ˌstəʊn\), anoun. Corpus frequency is #45,697 among 110,375 “K” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for keystone, with forms such as "ekystone", "kesytone", and "keysotne". 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. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Our source data has no etymology on file for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is keystone, spelled K-E-Y-S-T-O-N-E.

Definition

  1. 1
    Clef de voûte.
  2. 2
    Clef de voûte.
  3. 3
    Natif ou habitant de Pennsylvanie.
  4. 4
    Deuxième base (but).

Synonyms

keystone sack

Common misspellings

Also misspelled as:

  • ekystone
  • kesytone
  • keysotne
  • keysstone
  • keystnoe
  • keystoen
  • keystonne
  • keysttone
  • keytsone
  • keyystone
  • kkeystone
  • kyestone

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of keystone - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ekystone2kesytone2keysotne2keysstone1keystnoe2keystoen2keystonne1keysttone1
Edit distance from "keystone"

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 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "keystone"?
"keystone" is spelled K-E-Y-S-T-O-N-E. The IPA pronunciation is \ˈkiː.ˌstəʊn\.
What does "keystone" mean?
As a noun, "keystone" means: Clef de voûte.
What are common misspellings of "keystone"?
Common misspellings include "ekystone", "kesytone", "keysotne", "keysstone", "keystnoe". The correct spelling is "keystone".
How do you pronounce "keystone"?
The IPA (International Phonetic Alphabet) transcription for "keystone" is \ˈkiː.ˌstəʊn\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "keystone" come from?
"keystone" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “keystone”

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

  • The one correct French spelling is K-E-Y-S-T-O-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as \ˈkiː.ˌstəʊn\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words

Same frequency band

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