card vs CDR, What's the Difference?

Which to use

“card” and “CDR” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#964
“card” frequency rank: #28,484
“CDR” frequency rank: 29448
confusion score

Side-by-Side Comparison

Feature	card	CDR
Definition	A playing card.	Initialism of Canadian depositary receipt.

Letter map: card vs CDR

Shared letters muted; letters that set card and CDR apart highlighted. Shared run: 2.

4 ch

card

3 ch

CDR

Spelling & dictionary notes on card vs CDR

card and CDR are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 29448, derived from the frequency rank of both members and their visual similarity.

card is recorded at frequency rank #964, classified as anoun, pronounced /kɑːd/. CDR is at rank #28,484, tagged as anoun.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 29448, this pair ranks #362,913 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of card vs CDR

Shared letters: cdr. Private to "card": a. Private to "CDR": -.

"card" · 4 letters · shape CVCC · "CDR" · 3 letters · shape CCC

Known mistypes of this pair

card ← acrd · cadr · cardd · carrd · ccard · crad

Frequently Asked Questions

Do "card" and "CDR" mean the same thing in a sentence?

No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

In ordinary English text, does "card" or "CDR" show up more?

"card" is the more common of the two: it sits at frequency rank #964 in our English list, against #28,484 for "CDR". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "card" vs "CDR" is on the table, pick a follow-up below.

Full dictionary entry for "card" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "CDR" - compare definitions side by side with the headword page. Word entry
This pair ranks #362,913 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"card" and "CDR" also get mixed up with nearby pairs, the highest-scored neighbour is "CDR vs CGT". Nearby pair
Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #362,913 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.