concentration

/ˌkɒn.sənˈtɹeɪ.ʃən/

//ˌkɒn.sənˈtɹeɪ.ʃən// noun

"concentration" is a 13-letter English headword indexed on PlainSpell.

The verdict

“concentration” is a regularly-used English word, ranked #4,514 in English word frequency and used as a noun.

#4,514
frequency rank, English
13
letters
21
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.

Key facts for concentration
PropertyValue
Headwordconcentration
LanguageEnglish
Part of speechNoun
IPA/ˌkɒn.sənˈtɹeɪ.ʃən/
Letters13
Frequency rank#4,514
Misspellings tracked21
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “concentration” sits in English 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). concentration 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 English entry for concentration is 13 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌkɒn.sənˈtɹeɪ.ʃən/. Corpus data places it at rank #4,514 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 21 likely wrong-spelling variants for concentration, with forms such as "cconcentration", "cnocentration", and "cocnentration". 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 is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From New Latin concentrātiō (“(1550) action or an act of coming together at a single place; (1659) extraction or separation of one or more of the metals present in an alloy”). Compare French concentration, Spanish concentración, Italian concentrazione (last… The correct English form is concentration, spelled C-O-N-C-E-N-T-R-A-T-I-O-N.

Definition

  1. 1
    The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
  2. 2
    The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
  3. 3
    The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
  4. 4
    The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
  5. 5
    A field or course of study on which one focuses, especially as a student in a college or university.
  6. 6
    The proportion of a substance in a whole.
  7. 7
    The proportion of a substance in a whole.
  8. 8
    The matching game pelmanism.

Etymology

From New Latin concentrātiō (“(1550) action or an act of coming together at a single place; (1659) extraction or separation of one or more of the metals present in an alloy”). Compare French concentration, Spanish concentración, Italian concentrazione (last quarter of 16th century). Equivalent to concentrate + -ion. By surface analysis, con- + centre + -ate + -ion.

This word in other languages

Common misspellings

Also misspelled as: cconcentration,cnocentration,cocnentration,conccentration,concenntration,concenrtation,concentartion,concentraiton,concentrasion,concentratino,concentrationn,concentratoin,concentrattion,concentrration,concentrtaion,concenttration,concetnration,concnetration,conecntration,conncentration,ocncentration

Misspelling Pattern Breakdown

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

cconcentration1cnocentration2cocnentration2conccentration1concenntration1concenrtation2concentartion2concentraiton2
Edit distance from "concentration"

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 "concentration"?
"concentration" is spelled C-O-N-C-E-N-T-R-A-T-I-O-N. The IPA pronunciation is /ˌkɒn.sənˈtɹeɪ.ʃən/.
What does "concentration" mean?
As a noun, "concentration" means: The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
What are common misspellings of "concentration"?
Common misspellings include "cconcentration", "cnocentration", "cocnentration", "conccentration", "concenntration". The correct spelling is "concentration".
How do you pronounce "concentration"?
The IPA (International Phonetic Alphabet) transcription for "concentration" is /ˌkɒn.sənˈtɹeɪ.ʃən/. 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 "concentration"?
From New Latin concentrātiō (“(1550) action or an act of coming together at a single place; (1659) extraction or separation of one or more of the metals present in an alloy”). Compare French concentration, Spanish concentración, Italian concentraz... 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.

Using “concentration”

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

  • The one correct English spelling is C-O-N-C-E-N-T-R-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌkɒn.sənˈtɹeɪ.ʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English 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