jeju

noun

"jeju" is a 4-letter English headword indexed on PlainSpell.

The verdict

“jeju” has 5 generated spelling variants in the English index at frequency #37,992. The variants make it a useful spelling check.

#37,992
frequency rank, English
796
“J” headwords
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A South American (Amazonian) erythrinid fish, Hoplerythrinus unitaeniatus (formerly sometimes Erythrinus unitaeniatus).

Corpus desk

Index EN-jeju · jeju · English

jeju · rank #37,992 · 5 variants · 20 confusables

  • FREQ-MID #37,992
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 5 variants
  • BOOK-MID 796
  • PHOTO-FINISH Jezebel

Nearest frequency peer: Jezebel (+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 “jeju”

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

corpus weight

What this shows “jeju” 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

Visual similarity to commonly confused words

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

jeju vs Ju
25% similar
jeju vs jet
50% similar
jeju vs Jew
25% similar

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

Key facts for jeju
PropertyValue
Headwordjeju
LanguageEnglish
Part of speechNoun
Letters4
Frequency rank#37,992
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “jeju”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).jejulands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Jezebel” (#37,993), “Iverson” (#37,990), “isu” (#37,989). Among 796 “J” headwords, “jeju” is #37,992. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 5 spelling variants around jeju, anoun. Corpus frequency is #37,992 among 796 “J” headwords. Dominant gloss: "A South American (Amazonian) erythrinid fish, Hoplerythrinus unitaeniatus (formerly sometimes Erythrinus unitaeniatus).".

Our generated misspelling index lists 5 likely wrong-spelling variants for jeju, with forms such as "ejju", "jejju", and "jeuj". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "Ju", "jet", "Jew", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Tupian. The correct English form is jeju, spelled J-E-J-U.

Definition

  1. 1
    A South American (Amazonian) erythrinid fish, Hoplerythrinus unitaeniatus (formerly sometimes Erythrinus unitaeniatus).

Recorded use

Wiktionary examples

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

  1. Finally he sent the jeju (Erythrinus unitaeniatus; these fish are covered with a slippery phlegm), which pushed the man out ...
  2. In the jeju, the swim bladder has a respiratory function, while in the aruana it is an hydrostatic organ. Both are physostomes, and the swim bladder is divided into 2 chambers whose walls are made up of 3 enveloping membranes or mantles.

Etymology

From Tupian.

Common misspellings

Also misspelled as:

  • ejju
  • jejju
  • jeuj
  • jjeju
  • jjeu

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of jeju - 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.

ejju2jejju1jeuj2jjeju1jjeu2
Edit distance from "jeju"

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 "jeju"?
"jeju" is spelled J-E-J-U.
What does "jeju" mean?
As a noun, "jeju" means: A South American (Amazonian) erythrinid fish, Hoplerythrinus unitaeniatus (formerly sometimes Erythrinus unitaeniatus).
What words are commonly confused with "jeju"?
"jeju" is commonly confused with "Ju", "jet", "Jew". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "jeju"?
From Tupian. 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 "jeju", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

Similar misspelling depth

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

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

Source: FrequencyWords open word-frequency list