expertise

/ˌɛkspɜːˈtiːz/

//ˌɛkspɜːˈtiːz// noun

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

"expertise" is a 9-letter English headword indexed on PlainSpell.

The verdict

“expertise” has 13 generated spelling variants in the English index at frequency #6,467. The variants make it a useful spelling check.

#6,467
frequency rank, English
2,246
“E” headwords
13
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Great skill or knowledge in a particular field or hobby.

Corpus desk

Index EN-expertise · expertise · English

expertise · rank #6,467 · 13 variants · 2 confusables

  • FREQ-COMMON #6,467
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 2 pairs
  • VAR-HIGH 13 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH encountered

Nearest frequency peer: encountered (-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 “expertise”

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

corpus weight

What this shows “expertise” 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).

expertise vs experts
78% similar
expertise vs exercise
78% similar

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

Key facts for expertise
PropertyValue
Headwordexpertise
LanguageEnglish
Part of speechNoun
IPA/ˌɛkspɜːˈtiːz/
Letters9
Frequency rank#6,467
Misspellings tracked13
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “expertise”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).expertiselands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “encountered” (#6,466), “exploring” (#6,468), “elder” (#6,465). Among 2,246 “E” headwords, “expertise” is #6,467. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around expertise (IPA /ˌɛkspɜːˈtiːz/), anoun. Corpus frequency is #6,467 among 2,246 “E” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 13 likely wrong-spelling variants for expertise, with forms such as "epxertise", "exeprtise", and "experitse". 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 2 confusable-pair relationships, "experts", "exercise", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Borrowed from French expertise. The correct English form is expertise, spelled E-X-P-E-R-T-I-S-E.

Definition

  1. 1
    Great skill or knowledge in a particular field or hobby.
  2. 2
    Advice, or opinion, of an expert.

Recorded use

Wiktionary examples

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

  1. The scientist has expertise in the field of nuclear fusion.
  2. He spoke of Scotland's hydroelectric projects in Africa, local expertise shared with the world's poor.

Etymology

Borrowed from French expertise.

This word in other languages

pericia(Español)compétence(Français)Expertise(Deutsch)perícia(Português)

Common misspellings

Also misspelled as:

  • epxertise
  • exeprtise
  • experitse
  • experrtise
  • experties
  • expertisse
  • expertsie
  • experttise
  • expetrise
  • exppertise
  • expretise
  • exxpertise
  • xepertise

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of expertise - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

epxertise2exeprtise2experitse2experrtise1experties2expertisse1expertsie2experttise1
Edit distance from "expertise"

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 "expertise"?
"expertise" is spelled E-X-P-E-R-T-I-S-E. The IPA pronunciation is /ˌɛkspɜːˈtiːz/.
What does "expertise" mean?
As a noun, "expertise" means: Great skill or knowledge in a particular field or hobby.
What words are commonly confused with "expertise"?
"expertise" is commonly confused with "experts", "exercise". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "expertise"?
The IPA (International Phonetic Alphabet) transcription for "expertise" is /ˌɛkspɜːˈtiːz/. 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 "expertise"?
Borrowed from French expertise. 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 "expertise", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

exploring#6,468elaborate#6,464detection#6,461instances#6,484

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

intensive13 variantschambers13 variantspriorities13 variantsspecified13 variants

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

Source: FrequencyWords open word-frequency list