decompression
/ˌdiːkəmˈpɹɛʃən/
"decompression" is a 13-letter English headword indexed on PlainSpell.
The verdict
“decompression” is a moderately-common English word, ranked #31,499 in English word frequency and used as a noun.
- #31,499
- frequency rank, English
- 13
- letters
- 19
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The process of decompressing.
| Property | Value |
|---|---|
| Headword | decompression |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌdiːkəmˈpɹɛʃən/ |
| Letters | 13 |
| Frequency rank | #31,499 |
| Misspellings tracked | 19 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “decompression” sits in English frequency
Spelling & Dictionary Insight
The English entry for decompression is 13 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌdiːkəmˈpɹɛʃən/. Corpus data places it at rank #31,499 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
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
- 1The process of decompressing.
- 2The restoration to atmospheric pressure of a person who has spent time under higher pressure (such as a diver).
- 3A 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.
- 4The relief of pressure on a body part by surgery.
Etymology
From de- + compression.
This word in other languages
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.
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"?
What does "decompression" mean?
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Using “decompression”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-E-C-O-M-P-R-E-S-S-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as /ˌdiːkəmˈpɹɛʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
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.