undulation
The verdict
“undulation” is outside the top-ranked French vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency French
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Ondulation.
| Property | Value |
|---|---|
| Headword | undulation |
| Language | French |
| Part of speech | Noun |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “undulation” sits in French frequency
Spelling & Dictionary Insight
The French entry for undulation is 10 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Ondulation.".
undulation doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
No documented word history exists for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is undulation, spelled U-N-D-U-L-A-T-I-O-N.
Definition
- 1Ondulation.
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.
Frequently Asked Questions
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Using “undulation”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is U-N-D-U-L-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Browse more French words and confusable pairs in the same reference. French words
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.