decompression

/ˌdiːkəmˈpɹɛʃən/

//ˌdiːkəmˈpɹɛʃən// noun

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

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

The verdict

“decompression” has 19 generated spelling variants in the English index at frequency #31,499. The variants make it a useful spelling check.

#31,499
frequency rank, English
3,470
“D” headwords
19
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The process of decompressing.

Corpus desk

Index EN-decompression · decompression · English

decompression · rank #31,499 · 19 variants · 0 confusables

  • FREQ-MID #31,499
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 19 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH DCS

Nearest frequency peer: DCS (-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 “decompression”

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

corpus weight

What this shows “decompression” 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
Key facts for decompression
PropertyValue
Headworddecompression
LanguageEnglish
Part of speechNoun
IPA/ˌdiːkəmˈpɹɛʃən/
Letters13
Frequency rank#31,499
Misspellings tracked19
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “decompression”

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

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “DCS” (#31,498), “deflation” (#31,500), “Daimler” (#31,497). Among 3,470 “D” headwords, “decompression” is #31,499. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 19 spelling variants around decompression (IPA /ˌdiːkəmˈpɹɛʃən/), anoun. Corpus frequency is #31,499 among 3,470 “D” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 19 likely wrong-spelling variants for decompression, with forms such as "dceompression", "ddecompression", and "deccompression". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From de- + compression. The correct English form is decompression, spelled D-E-C-O-M-P-R-E-S-S-I-O-N.

Definition

  1. 1
    The process of decompressing.
  2. 2
    The restoration to atmospheric pressure of a person who has spent time under higher pressure (such as a diver).
  3. 3
    A mode of operation of some internal combustion engines which reduces the engine's compression ratio, making it easier to start but significantly increasing fuel consumption.
  4. 4
    The relief of pressure on a body part by surgery.

Recorded use

Wiktionary example

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

  1. The decompression of large data files may take a while.

Etymology

From de- + compression.

This word in other languages

décompression(Français)Dekompression(Deutsch)

Common misspellings

Also misspelled as:

  • dceompression
  • ddecompression
  • deccompression
  • decmopression
  • decommpression
  • decomperssion
  • decomppression
  • decompresion
  • decompresison
  • decompressino
  • decompressionn
  • decompressoin
  • decomprestion
  • decomprression
  • decomprsesion
  • decomrpession
  • decopmression
  • deocmpression
  • edcompression

Misspelling Pattern Breakdown

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

dceompression2ddecompression1deccompression1decmopression2decommpression1decomperssion2decomppression1decompresion1
Edit distance from "decompression"

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 "decompression"?
"decompression" is spelled D-E-C-O-M-P-R-E-S-S-I-O-N. The IPA pronunciation is /ˌdiːkəmˈpɹɛʃən/.
What does "decompression" mean?
As a noun, "decompression" means: The process of decompressing.
What are common misspellings of "decompression"?
Common misspellings include "dceompression", "ddecompression", "deccompression", "decmopression", "decommpression". The correct spelling is "decompression".
How do you pronounce "decompression"?
The IPA (International Phonetic Alphabet) transcription for "decompression" is /ˌdiːkəmˈpɹɛʃən/. 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 "decompression"?
From de- + compression. 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 "decompression", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

deterministic#31,507consecutively#31,486archeological#31,442underwhelming#31,390

Similar misspelling depth

Headwords with a similar count of attested misspellings (19 here; floor ≥5).

chiropractic19 variantsbrainwashing19 variantsmultitasking19 variantssarcastically19 variants

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

Source: FrequencyWords open word-frequency list