card index
"card-index" is a 9-letter English headword indexed on PlainSpell.
The verdict
“card index” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any index formed with index cards, as was common in many businesses before the microcomputer revolution.
Corpus desk
Index EN-card-index · card index · English
card index · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 10 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "C" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | card index |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “card index” in English
Rare enough to double-check
card index is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any index formed with index cards, as was common in many businesses before the microcomputer revolution.".
The misspelling generator found no plausible variants for card index, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.
Our source data has no etymology on file for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is card index, spelled C-A-R-D- -I-N-D-E-X.
Definition
- 1Any index formed with index cards, as was common in many businesses before the microcomputer revolution.
Recorded use
Wiktionary exampleThese source excerpts show how card index appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Near-synonym: card catalogue
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.