Cäsium
[ˈt͡sɛːzi̯ʊm]
The verdict
“Cäsium” is uncommon German (frequency #96,818 among 1,273 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #96,818
- frequency rank, German
- 1,273
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - chemisches Element mit der Ordnungszahl 55, das zur Gruppe der Alkalimetalle gehört
Corpus desk
Index DE-casium · Cäsium · German
Cäsium · rank #96,818 · 0 variants · 0 confusables
- FREQ-RARE #96,818
- LEN-LONG 6 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,273
- PHOTO-FINISH dadrauf
Nearest frequency peer: dadrauf (+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.
Langschwanz-Ränge nahe „Cäsium“
Dünnes Band: Balken invertieren den Rang, seltenere Formen wirken kürzer
- consequences
consequences
3,190 corpus weight
- Cäsium
Cäsium
3,183 corpus weight
- dadrauf
dadrauf
3,182 corpus weight
- Darmschleim…
Darmschleimhaut
3,181 corpus weight
- Datenbestand
Datenbestand
3,180 corpus weight
- dauerndes
dauerndes
3,176 corpus weight
What this shows Langschwanz-Sicht: wo „Cäsium“ gegen ähnlich seltene deutsche Ränge sitzt.
| Property | Value |
|---|---|
| Headword | Cäsium |
| Language | German |
| Part of speech | Noun |
| IPA | [ˈt͡sɛːzi̯ʊm] |
| Letters | 6 |
| Frequency rank | #96,818 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Langschwanz-Rang von „Cäsium“ im Deutschen
Rare enough to double-check
Cäsium is uncommon German at frequency #96,818 among 1,273 “C” headwords, classed as anoun, transcribed [ˈt͡sɛːzi̯ʊm]. Rarity is why readers land here mid-draft. Gloss: "chemisches Element mit der Ordnungszahl 55, das zur Gruppe der Alkalimetalle gehört".
Our edit-distance generator produced no likely misspellings for Cäsium, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.
This entry's etymology isn't recorded, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct German form is Cäsium, spelled C-Ä-S-I-U-M.
Definition
- 1chemisches Element mit der Ordnungszahl 55, das zur Gruppe der Alkalimetalle gehört
Recorded use
Wiktionary examplesThese source excerpts show how Cäsium appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Cäsium wurde erstmals 1860 im Dürkheimer Mineralwasser nachgewiesen.
„Auch hier sei die kontaminierte Erde abgetragen worden, beruhigt uns der Biologe, und im Übrigen werde jedes Gemüse und Milchprodukt auf Cäsium, Strontium und andere Nuklide gemessen, bevor es in den Handel gelange.“
This word in other languages
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.
Frequently Asked Questions
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Similar German words by spelling shape
Same letter count and similar misspelling depth for "Cäsium", not the corpus desk frequency band.
Same letter count
Frequency-ranked German headwords with 6 letters (nearest by frequency rank).