concurrent

/kəŋˈkʌɹənt/

//kəŋˈkʌɹənt// adj

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

"concurrent" is a 10-letter English headword indexed on PlainSpell.

The verdict

“concurrent” has 14 generated spelling variants in the English index at frequency #15,136. The variants make it a useful spelling check.

#15,136
frequency rank, English
5,599
“C” headwords
14
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Happening at the same time; simultaneous.

Corpus desk

Index EN-concurrent · concurrent · English

concurrent · rank #15,136 · 14 variants · 3 confusables

  • FREQ-MID #15,136
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 3 pairs
  • VAR-HIGH 14 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH commits

Nearest frequency peer: commits (-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 “concurrent”

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

corpus weight

What this shows “concurrent” 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).

concurrent vs concurrently
83% similar
concurrent vs concurrency
82% similar
concurrent vs concurrence
82% similar

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

Key facts for concurrent
PropertyValue
Headwordconcurrent
LanguageEnglish
Part of speechAdjective
IPA/kəŋˈkʌɹənt/
Letters10
Frequency rank#15,136
Misspellings tracked14
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “concurrent”

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).concurrentlands 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 “commits” (#15,135), “corrupted” (#15,137), “commemorate” (#15,134). Among 5,599 “C” headwords, “concurrent” is #15,136. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around concurrent (IPA /kəŋˈkʌɹənt/), anadjective. Corpus frequency is #15,136 among 5,599 “C” headwords. Wiktionary lists 7 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for concurrent, with forms such as "cconcurrent", "cnocurrent", and "cocnurrent". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 3 confusable-pair relationships, "concurrently", "concurrency", "concurrence", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English concurrent, from Old French concurrent, from Latin concurrēns, present active participle of concurrō (“happen at the same time”), from con- (“with”) + currō (“run”). The correct English form is concurrent, spelled C-O-N-C-U-R-R-E-N-T.

Definition

  1. 1
    Happening at the same time; simultaneous.
  2. 2
    Belonging to the same period; contemporary.
  3. 3
    Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect.
  4. 4
    Joint and equal in authority; taking cognizance of similar questions; operating on the same objects.
  5. 5
    Meeting in one point.
  6. 6
    Running alongside one another on parallel courses; moving together in space.
  7. 7
    Designed to run independently, rather than sequentially, using various mechanisms, such as threads, event loops or time-slicing.

Recorded use

Wiktionary examples

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

  1. concurrent echo
  2. Such are the changes which science recognizes in the wire itself, as concurrent with the visual changes taking place in the eye.

Etymology

From Middle English concurrent, from Old French concurrent, from Latin concurrēns, present active participle of concurrō (“happen at the same time”), from con- (“with”) + currō (“run”).

This word in other languages

simultáneo(Español)concomitant(Français)gleichzeitig(Deutsch)concomitante(Português)

Common misspellings

Also misspelled as:

  • cconcurrent
  • cnocurrent
  • cocnurrent
  • conccurrent
  • concrurent
  • concurent
  • concurernt
  • concurrennt
  • concurrentt
  • concurretn
  • concurrnet
  • conncurrent
  • conucrrent
  • ocncurrent

Misspelling Pattern Breakdown

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

cconcurrent1cnocurrent2cocnurrent2conccurrent1concrurent2concurent1concurernt2concurrennt1
Edit distance from "concurrent"

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 "concurrent"?
"concurrent" is spelled C-O-N-C-U-R-R-E-N-T. The IPA pronunciation is /kəŋˈkʌɹənt/.
What does "concurrent" mean?
As an adjective, "concurrent" means: Happening at the same time; simultaneous.
What words are commonly confused with "concurrent"?
"concurrent" is commonly confused with "concurrently", "concurrency", "concurrence". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "concurrent"?
The IPA (International Phonetic Alphabet) transcription for "concurrent" is /kəŋˈkʌɹənt/. 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 "concurrent"?
From Middle English concurrent, from Old French concurrent, from Latin concurrēns, present active participle of concurrō (“happen at the same time”), from con- (“with”) + currō (“run”). 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 "concurrent", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

ceremonial#15,122exhaustion#15,163expectancy#15,164grassroots#15,178

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

commemorate14 variantsfisherman14 variantsforgiving14 variantsfractured14 variants

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

Source: FrequencyWords open word-frequency list