Kai

name

The verdict

“Kai” is a moderately-common French word, ranked #17,464 in French word frequency and used as a proper noun.

#17,464
frequency rank, French
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Prénom masculin.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

Kai vs km
0% similar
Kai vs kg
0% similar
Kai vs ki
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for Kai
PropertyValue
HeadwordKai
LanguageFrench
Part of speechProper noun
Letters3
Frequency rank#17,464
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “Kai” 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). Kai lands here:

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

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

Spelling & Dictionary Insight

The French entry for Kai is 3 letters long, classified as a proper noun. Corpus data places it at rank #17,464 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Prénom masculin.".

No misspelling variants are generated for Kai in our index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "km", "kg", "ki", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Wiktionary doesn't record an etymology for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is Kai, spelled K-A-I.

Definition

  1. 1
    Prénom masculin.

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 "Kai"?
"Kai" is spelled K-A-I.
What does "Kai" mean?
As a proper noun, "Kai" means: Prénom masculin.
What words are commonly confused with "Kai"?
"Kai" is commonly confused with "km", "kg", "ki". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "Kai" come from?
"Kai" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “Kai”

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

  • The one correct French spelling is K-A-I - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “km” - see the side-by-side comparison. Kai vs km
  • Browse more French words and confusable pairs in the same reference. French 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