eauvsEfeuWhich spelling fits?

Which to use

“eau” and “Efeu” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#29,094
“eau” frequency rank
#48,090
“Efeu” frequency rank
77184
confusion score

Side-by-Side Comparison

Feature eau Efeu
Definition Ansammlung von Wassermolekülen in flüssiger Form: Wasser Pflanzengattung aus der Familie der Araliengewächse (Araliaceae)

Where the eye mixes eau and Efeu

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. eau runs 3 letters (VVV) against Efeu's 4 (VCVV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
eau
4 ch
Efeu

Why the eye confuses eau with Efeu

A purely visual mix-up. eau ([o]) and Efeu ([ˈeːfɔɪ̯]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 77184, derived from the frequency rank of both members and their visual similarity.

eau is recorded at frequency rank #29,094, classified as anoun, pronounced [o]. Efeu is at rank #48,090, tagged as anoun, pronounced [ˈeːfɔɪ̯].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 77184, this pair ranks #266,574 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of eau vs Efeu

Shared letters: eu. Private to "eau": a. Private to "Efeu": f.

"eau" · 3 letters · shape VVV  ·  "Efeu" · 4 letters · shape VCVV

Known mistypes of this pair

  • Efeu ← eefu · effeu · efue · feeu

Frequently Asked Questions

Can "eau" and "Efeu" be used interchangeably?
No. They are said differently ([o] versus [ˈeːfɔɪ̯]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "eau" or "Efeu" show up more?
"eau" is the more common of the two: it sits at frequency rank #29,094 in our German list, against #48,090 for "Efeu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "eau" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Efeu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #266,574 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "eau" and "Efeu" also get mixed up with nearby pairs, the highest-scored neighbour is "Efeu vs Elfe". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #266,574 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list