incursion

/ɪŋˈkɜː(ɹ)ʒən/

//ɪŋˈkɜː(ɹ)ʒən// noun

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

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

The verdict

“incursion” has 14 generated spelling variants in the English index at frequency #30,842. The variants make it a useful spelling check.

#30,842
frequency rank, English
2,140
“I” headwords
14
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A military action consisting of armed forces of one geopolitical entity entering territory controlled by another such entity, generally with the objective of destruction, plunder, or bodily harm ra...

Corpus desk

Index EN-incursion · incursion · English

incursion · rank #30,842 · 14 variants · 4 confusables

  • FREQ-MID #30,842
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-MID 4 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH Incheon

Nearest frequency peer: Incheon (-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 “incursion”

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

corpus weight

What this shows “incursion” 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).

incursion vs infusion
78% similar
incursion vs inversion
78% similar
incursion vs incision
78% similar

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

Key facts for incursion
PropertyValue
Headwordincursion
LanguageEnglish
Part of speechNoun
IPA/ɪŋˈkɜː(ɹ)ʒən/
Letters9
Frequency rank#30,842
Misspellings tracked14
Confusable pairs4
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “incursion”

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).incursionlands 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 “Incheon” (#30,841), “inexcusable” (#30,843), “impure” (#30,840). Among 2,140 “I” headwords, “incursion” is #30,842. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around incursion (IPA /ɪŋˈkɜː(ɹ)ʒən/), anoun. Corpus frequency is #30,842 among 2,140 “I” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for incursion, with forms such as "icnursion", "inccursion", and "incrusion". 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 4 confusable-pair relationships, "infusion", "inversion", "incision", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English, borrowed from Old French, from Latin incursiō. The correct English form is incursion, spelled I-N-C-U-R-S-I-O-N.

Definition

  1. 1
    A military action consisting of armed forces of one geopolitical entity entering territory controlled by another such entity, generally with the objective of destruction, plunder, or bodily harm rather than an intent to conquer territory or alter the established government; contrast invasion in its narrow sense.
  2. 2
    An aggressive movement into somewhere; an invasion in the general sense.
  3. 3
    A function hosted within an educational institution, especially by or for students, for recreation, research, education or a display of works.

Recorded use

Wiktionary example

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

  1. Fascinating though the journey is to the traveller, for many years this section of the line was a source of considerable anxiety to the maintenance engineers, and on more than one occasion landslips and incursions of the sea resulted in the railway being closed for several days.

Etymology

From Middle English, borrowed from Old French, from Latin incursiō.

Synonyms

attackmovement

Antonyms

attackmovementexcursion

This word in other languages

incursión(Español)incursion(Français)Einfall(Deutsch)

Common misspellings

Also misspelled as:

  • icnursion
  • inccursion
  • incrusion
  • incurison
  • incurrsion
  • incursino
  • incursionn
  • incursoin
  • incurssion
  • incurtion
  • incusrion
  • inncursion
  • inucrsion
  • nicursion

Misspelling Pattern Breakdown

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

icnursion2inccursion1incrusion2incurison2incurrsion1incursino2incursionn1incursoin2
Edit distance from "incursion"

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 "incursion"?
"incursion" is spelled I-N-C-U-R-S-I-O-N. The IPA pronunciation is /ɪŋˈkɜː(ɹ)ʒən/.
What does "incursion" mean?
As a noun, "incursion" means: A military action consisting of armed forces of one geopolitical entity entering territory controlled by another such entity, generally with the objective of destruction, plunder, or bodily harm ra...
What words are commonly confused with "incursion"?
"incursion" is commonly confused with "infusion", "inversion", "incision". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "incursion"?
The IPA (International Phonetic Alphabet) transcription for "incursion" is /ɪŋˈkɜː(ɹ)ʒən/. 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 "incursion"?
From Middle English, borrowed from Old French, from Latin incursiō. 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 "incursion", not the corpus desk frequency band.

Same letter count

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

Hindustan#30,827guidebook#30,818goddamned#30,814loosening#30,870

Similar misspelling depth

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

mongering14 variantsmonotonous14 variantsmorbidity14 variantsMotherwell14 variants

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

Source: FrequencyWords open word-frequency list