USD
"usd" is a 3-letter English headword indexed on PlainSpell.
The verdict
“USD” sits in 20 confusable pairs (corpus #7,515) as a noun. The look-alike neighbours are the real trap.
- #7,515
- frequency rank, English
- 1,433
- “U” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of unified school district.
Corpus desk
Index EN-usd · USD · English
USD · rank #7,515 · 0 variants · 20 confusables
- FREQ-COMMON #7,515
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 1,433
- PHOTO-FINISH tumor
Nearest frequency peer: tumor (-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 “USD”
Peers at similar corpus weight, separate from look-alike pairs below
- thorough
thorough
92,489 corpus weight
- tuition
tuition
92,488 corpus weight
- tumor
tumor
92,487 corpus weight
- USD
USD
92,486 corpus weight
- varying
varying
92,484 corpus weight
- wholesale
wholesale
92,483 corpus weight
What this shows Bars place “USD” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | USD |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #7,515 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “USD”
Easy to mix with look-alikes
The spelling risk for USD is neighbouring look-alikes ("UT", "UV", …), not just typos; it is anoun. Frequency #7,515 among 1,433 “U” headwords. 2 recorded senses keep meaning in play.
No generated misspelling entries exist for USD in our index, since its letter sequence doesn't invite the usual edit-distance slips. It also participates in 20 confusable-pair relationships, "UT", "UV", "UW", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
This entry's etymology isn't recorded, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is USD, spelled U-S-D.
Definition
- 1Initialism of unified school district.
- 2Initialism of United States dollar.
Recorded use
Wiktionary exampleThese source excerpts show how USD appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
A man named Chris Reynolds was credited $92 quadrillion USD on his paypal account, "This unexpected influx of wealth elevated him to the status of the richest person on the planet and the only quadrillionaire to have ever existed". Following this, after the man reported this error and it was fixed, "PayPal owned up to their mistake and thanked the richest…
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "USD", not the corpus desk frequency band.