CDR

noun

"cdr" is a 3-letter English headword indexed on PlainSpell.

The verdict

“CDR” sits in 20 confusable pairs (corpus #28,484) as a noun. The look-alike neighbours are the real trap.

#28,484
frequency rank, English
5,599
“C” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Canadian depositary receipt.

Corpus desk

Index EN-cdr · CDR · English

CDR · rank #28,484 · 0 variants · 20 confusables

  • FREQ-MID #28,484
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH CCS

Nearest frequency peer: CCS (-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.

Frequency neighbours of confusable “CDR”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “CDR” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

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).

CDR vs co
0% similar
CDR vs CM
33% similar
CDR vs CT
33% similar

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

Key facts for CDR
PropertyValue
HeadwordCDR
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#28,484
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “CDR”

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).CDRlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “CCS” (#28,483), “catapult” (#28,481), “cervix” (#28,487). Among 5,599 “C” headwords, “CDR” is #28,484. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for CDR is neighbouring look-alikes ("co", "CM", …), not just typos; it is anoun. Frequency #28,484 among 5,599 “C” headwords. 10 recorded senses keep meaning in play.

No generated misspelling entries exist for CDR in our index, which points to an orthography that plays by predictable English rules. It also participates in 20 confusable-pair relationships, "co", "CM", "CT", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

This headword's origin isn't recorded in our source data, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is CDR, spelled C-D-R.

Definition

  1. 1
    Initialism of Canadian depositary receipt.
  2. 2
    Initialism of call detail record: a computer record representing a unit of traffic handled by a telephone exchange.
  3. 3
    Initialism of common data rate.
  4. 4
    Initialism of content of decrement of register; cdr.
  5. 5
    Initialism of cup-to-disc ratio.
  6. 6
    Abbreviation of commander.
  7. 7
    Initialism of current divider rule or current division rule.
  8. 8
    Initialism of carbon dioxide removal.
  9. 9
    Initialism of cooldown reduction.
  10. 10
    Committee for the Defense of the Revolution

Recorded use

Wiktionary example

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

  1. Coordinate term: VDR

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 "CDR"?
"CDR" is spelled C-D-R.
What does "CDR" mean?
As a noun, "CDR" means: Initialism of Canadian depositary receipt.
What words are commonly confused with "CDR"?
"CDR" is commonly confused with "co", "CM", "CT". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "CDR" come from?
"CDR" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "CDR", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list