Femto-
[ˈfɛmto]
The verdict
“Femto-” is uncommon German (outside the top frequency list), classed as a prefix. The kind of spelling people second-guess.
- Unranked
- below top-frequency German
- 6
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Vorsatz für SI-Einheiten, SI-Einheiten-Präfix für Maßeinheiten bedeutet ein Billiardstel = (10⁻³)⁵ = 10⁻¹⁵
Corpus desk
Index DE-femto · Femto- · German
Femto- · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 6 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "F" thin
- PHOTO-UNK Peer pending
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 | Femto- |
| Language | German |
| Part of speech | Prefix |
| IPA | [ˈfɛmto] |
| Letters | 6 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Langschwanz-Rang von „Femto-“ im Deutschen
Rare enough to double-check
Femto- is uncommon German outside the top frequency list, classed as aprefix, transcribed [ˈfɛmto]. Rarity is why readers land here mid-draft. Gloss: "Vorsatz für SI-Einheiten, SI-Einheiten-Präfix für Maßeinheiten bedeutet ein Billiardstel = (10⁻³)⁵ = 10⁻¹⁵".
No misspelling variants are generated for Femto- in our index, which points to an orthography that plays by predictable German rules. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
No borrowing history is documented for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is Femto-, spelled F-E-M-T-O--.
Definition
- 1Vorsatz für SI-Einheiten, SI-Einheiten-Präfix für Maßeinheiten bedeutet ein Billiardstel = (10⁻³)⁵ = 10⁻¹⁵
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). See the methodology for how each field is sourced and updated.