CDA

name

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

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

The verdict

“CDA” sits in 20 confusable pairs (corpus #42,575) as a proper noun. The look-alike neighbours are the real trap.

#42,575
frequency rank, English
5,599
“C” headwords
20
confusable pairs

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

Corpus desk

Index EN-cda · CDA · English

CDA · rank #42,575 · 0 variants · 20 confusables

  • FREQ-MID #42,575
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH causative

Nearest frequency peer: causative (-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 “CDA”

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

corpus weight

What this shows Bars place “CDA” 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).

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

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

Key facts for CDA
PropertyValue
HeadwordCDA
LanguageEnglish
Part of speechProper noun
Letters3
Frequency rank#42,575
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “CDA”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).CDAlands 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 “causative” (#42,574), “catnip” (#42,573), “cesspool” (#42,577). Among 5,599 “C” headwords, “CDA” is #42,575. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for CDA is neighbouring look-alikes ("co", "CM", …), not just typos; it is aproper noun. Frequency #42,575 among 5,599 “C” headwords. 6 recorded senses keep meaning in play.

No generated misspelling entries exist for CDA in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. 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 entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is CDA, spelled C-D-A.

Definition

  1. 1
    Initialism of Canadian Dental Association.
  2. 2
    Initialism of Copper Development Association.
  3. 3
    Initialism of Capital Development Authority.
  4. 4
    Initialism of Coeur d'Alene.
  5. 5
    Initialism of Cooperative Development Authority.
  6. 6
    Initialism of Communications Decency Act.

Recorded use

Wiktionary example

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

  1. The Communications Decency Act (CDA) came into being as part of the Telecommunications Act of 1996, and was intended to address "obscene, lewd, lascivious, filthy, or indecent" materials. […] Under the CDA, telecommunications facilities could face criminal charges if they failed to take "good faith, reasonable, effective, and appropriate actions" to stop…

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 "CDA"?
"CDA" is spelled C-D-A.
What does "CDA" mean?
As a proper noun, "CDA" means: Initialism of Canadian Dental Association.
What words are commonly confused with "CDA"?
"CDA" 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 "CDA" come from?
"CDA" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 "CDA", not the corpus desk frequency band.

Same letter count

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

BMP#42,550Bir#42,548eek#42,622foi#42,644

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

Source: FrequencyWords open word-frequency list