decorum

/dɪˈkɔːɹəm/

//dɪˈkɔːɹəm// noun

"decorum" is a 7-letter English headword indexed on PlainSpell.

The verdict

“decorum” has 10 generated spelling variants in the English index at frequency #34,010. The variants make it a useful spelling check.

#34,010
frequency rank, English
3,470
“D” headwords
10
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Appropriate social behavior.

Corpus desk

Index EN-decorum · decorum · English

decorum · rank #34,010 · 10 variants · 1 confusable

  • FREQ-MID #34,010
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 10 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH decentralizat…

Nearest frequency peer: decentralization (-2 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 “decorum”

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

corpus weight

What this shows “decorum” 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).

decorum vs decor
71% similar

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

Key facts for decorum
PropertyValue
Headworddecorum
LanguageEnglish
Part of speechNoun
IPA/dɪˈkɔːɹəm/
Letters7
Frequency rank#34,010
Misspellings tracked10
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “decorum”

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).decorumlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “decentralization” (#34,008), “deft” (#34,012), “decently” (#34,007). Among 3,470 “D” headwords, “decorum” is #34,010. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around decorum (IPA /dɪˈkɔːɹəm/), anoun. Corpus frequency is #34,010 among 3,470 “D” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 10 likely wrong-spelling variants for decorum, with forms such as "dceorum", "ddecorum", and "deccorum". 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 1 confusable-pair relationship, "decor", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Learned borrowing from Latin decōrum, neuter form of decōrus (“proper, decent”). The correct English form is decorum, spelled D-E-C-O-R-U-M.

Definition

  1. 1
    Appropriate social behavior.
  2. 2
    A convention of social behavior.

Recorded use

Wiktionary examples

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

  1. Everyone was assembled in the dining-room. Under the circumstances, we were naturally not a cheerful party. The reaction after a shock is always trying, and I think we were all suffering from it. Decorum and good breeding naturally enjoined that our demeanour should be much as usual, yet I could not help wondering if this self-control were really a matter…
  2. It was sort of a finishing school. You know, to teach proper social decorum and so on and so forth.

Etymology

Learned borrowing from Latin decōrum, neuter form of decōrus (“proper, decent”).

This word in other languages

Common misspellings

Also misspelled as:

  • dceorum
  • ddecorum
  • deccorum
  • decormu
  • decorrum
  • decorumm
  • decourm
  • decroum
  • deocrum
  • edcorum

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of decorum - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

dceorum2ddecorum1deccorum1decormu2decorrum1decorumm1decourm2decroum2
Edit distance from "decorum"

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 "decorum"?
"decorum" is spelled D-E-C-O-R-U-M. The IPA pronunciation is /dɪˈkɔːɹəm/.
What does "decorum" mean?
As a noun, "decorum" means: Appropriate social behavior.
What words are commonly confused with "decorum"?
"decorum" is commonly confused with "decor". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "decorum"?
The IPA (International Phonetic Alphabet) transcription for "decorum" is /dɪˈkɔːɹəm/. 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 "decorum"?
Learned borrowing from Latin decōrum, neuter form of decōrus (“proper, decent”). 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 "decorum", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list