insertion

/ɪnˈsɝʃən/

//ɪnˈsɝʃən// noun

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

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

The verdict

“insertion” has 14 generated spelling variants in the English index at frequency #18,110. The variants make it a useful spelling check.

#18,110
frequency rank, English
2,140
“I” headwords
14
tracked misspellings
9
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act of inserting, or something inserted.

Corpus desk

Index EN-insertion · insertion · English

insertion · rank #18,110 · 14 variants · 9 confusables

  • FREQ-MID #18,110
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-MID 9 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH infect

Nearest frequency peer: infect (-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 “insertion”

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

corpus weight

What this shows “insertion” 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).

insertion vs intention
78% similar
insertion vs invention
78% similar
insertion vs inversion
78% similar

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

Key facts for insertion
PropertyValue
Headwordinsertion
LanguageEnglish
Part of speechNoun
IPA/ɪnˈsɝʃən/
Letters9
Frequency rank#18,110
Misspellings tracked14
Confusable pairs9
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “insertion”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).insertionlands 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 “infect” (#18,109), “interruption” (#18,111), “incest” (#18,108). Among 2,140 “I” headwords, “insertion” is #18,110. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around insertion (IPA /ɪnˈsɝʃən/), anoun. Corpus frequency is #18,110 among 2,140 “I” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for insertion, with forms such as "inesrtion", "innsertion", and "inseriton". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 9 confusable-pair relationships, "intention", "invention", "inversion", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From insert + -ion. The correct English form is insertion, spelled I-N-S-E-R-T-I-O-N.

Definition

  1. 1
    The act of inserting, or something inserted.
  2. 2
    The distal end of attachment of a muscle to a bone that will be moved by the muscle.
  3. 3
    The addition of a nucleotide to a chromosome by mutation.
  4. 4
    The process of going from subcritical to prompt critical.

Recorded use

Wiktionary examples

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

  1. The surgeon performed the insertion of a pacemaker.
  2. The insertion of new text changed the meaning of the document.

Etymology

From insert + -ion.

Antonyms

deletionantonym(s) ofdeletion

This word in other languages

inserción(Español)insertion(Français)inserção(Português)

Common misspellings

Also misspelled as:

  • inesrtion
  • innsertion
  • inseriton
  • inserrtion
  • insersion
  • insertino
  • insertionn
  • insertoin
  • inserttion
  • insetrion
  • insretion
  • inssertion
  • isnertion
  • nisertion

Misspelling Pattern Breakdown

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

inesrtion2innsertion1inseriton2inserrtion1insersion1insertino2insertionn1insertoin2
Edit distance from "insertion"

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 "insertion"?
"insertion" is spelled I-N-S-E-R-T-I-O-N. The IPA pronunciation is /ɪnˈsɝʃən/.
What does "insertion" mean?
As a noun, "insertion" means: The act of inserting, or something inserted.
What words are commonly confused with "insertion"?
"insertion" is commonly confused with "intention", "invention", "inversion". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "insertion"?
The IPA (International Phonetic Alphabet) transcription for "insertion" is /ɪnˈsɝʃən/. 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 "insertion"?
From insert + -ion. 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 "insertion", not the corpus desk frequency band.

Same letter count

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

handshake#18,093magically#18,129Middlesex#18,134flattened#18,080

Similar misspelling depth

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

Jacqueline14 variantsnecessities14 variantsFernandez14 variantspertinent14 variants

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

Source: FrequencyWords open word-frequency list