Rb
The verdict
“Rb” sits in 20 confusable pairs (corpus #8,261) as an abbreviation. The look-alike neighbours are the real trap.
- #8,261
- frequency rank, German
- 2,984
- “R” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Rubidium
Corpus desk
Index DE-rb · Rb · German
Rb · rank #8,261 · 0 variants · 20 confusables
- FREQ-COMMON #8,261
- LEN-SHORT 2 letters
- VOW-0 0 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 2,984
- PHOTO-FINISH Punk
Nearest frequency peer: Punk (-1 rank slots)
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 neighbourhood for “Rb”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Plakat
Plakat
91,743 corpus weight
- privater
privater
91,742 corpus weight
- Punk
Punk
91,741 corpus weight
- Rb
Rb
91,740 corpus weight
- Rechtsstaat
Rechtsstaat
91,739 corpus weight
- Regionalliga
Regionalliga
91,738 corpus weight
What this shows Bars show where “Rb” sits against the nearest ranked German headwords in the FrequencyWords band, not a reprint of letter-browse containment.
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 | Rb |
| Language | German |
| Part of speech | Abbreviation |
| Letters | 2 |
| Frequency rank | #8,261 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “Rb” sits in German frequency
Easy to mix with look-alikes
The spelling risk for Rb is neighbouring look-alikes ("re", "Rn", …), not just typos; it is anabbreviation. Frequency #8,261 among 2,984 “R” headwords. Gloss: "Rubidium".
The misspelling generator found no plausible variants for Rb, a sign its spelling follows regular German conventions. It also participates in 20 confusable-pair relationships, "re", "Rn", "Rs", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Our source data has no etymology on file for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is Rb, spelled R-B.
Definition
- 1Rubidium
Recorded use
Wiktionary exampleThese source excerpts show how Rb appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Rb → Rb⁺ + e⁻
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 German corpus, MIT). See the methodology for how each field is sourced and updated.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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What to do next
You've looked up "Rb". Here's where to go from here.
- "Rb" maps to 20 confusable pairs in this vintage; the highest-scored is "re". View pair
- Usage frequency rank #8,261 among German headwords in this corpus. Corpus statistics
- Browse more German words in the "R" letter cohort. R–Z browse
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.