extrusion

noun

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

The verdict

“extrusion” has 14 generated spelling variants in the English index at frequency #38,833. The variants make it a useful spelling check.

#38,833
frequency rank, English
18,836
“E” headwords
14
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A manufacturing process where a billet of material is pushed and/or drawn through a die to create a shaped rod, rail or pipe.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

extrusion vs extension
78% similar
extrusion vs exclusion
78% similar

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

Key facts for extrusion
PropertyValue
Headwordextrusion
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#38,833
Misspellings tracked14
Confusable pairs2
SourceWiktionary (kaikki.org)

Where “extrusion” 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). extrusion lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around extrusion, anoun. Corpus frequency is #38,833 among 18,836 “E” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for extrusion, with forms such as "etxrusion", "exrtusion", and "extrrusion". 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, "extension", "exclusion", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Mid-16th century from Latin extrūdere, from ex- (“out”) + trūdere (“to thrust”). The correct English form is extrusion, spelled E-X-T-R-U-S-I-O-N.

Definition

  1. 1
    A manufacturing process where a billet of material is pushed and/or drawn through a die to create a shaped rod, rail or pipe.
  2. 2
    An item formed by the process of extrusion.

Etymology

Mid-16th century from Latin extrūdere, from ex- (“out”) + trūdere (“to thrust”).

This word in other languages

Common misspellings

Also misspelled as:

  • etxrusion
  • exrtusion
  • extrrusion
  • extrsuion
  • extruison
  • extrusino
  • extrusionn
  • extrusoin
  • extrussion
  • extrution
  • exttrusion
  • extursion
  • exxtrusion
  • xetrusion

Misspelling Pattern Breakdown

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

etxrusion2exrtusion2extrrusion1extrsuion2extruison2extrusino2extrusionn1extrusoin2
Edit distance from "extrusion"

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 "extrusion"?
"extrusion" is spelled E-X-T-R-U-S-I-O-N.
What does "extrusion" mean?
As a noun, "extrusion" means: A manufacturing process where a billet of material is pushed and/or drawn through a die to create a shaped rod, rail or pipe.
What words are commonly confused with "extrusion"?
"extrusion" is commonly confused with "extension", "exclusion". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "extrusion"?
Mid-16th century from Latin extrūdere, from ex- (“out”) + trūdere (“to thrust”). 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 “extrusion”

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

  • The one correct English spelling is E-X-T-R-U-S-I-O-N - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “extension” - see the side-by-side comparison. extrusion vs extension
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

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