Which to use
“fay” is a noun and “fei” is a particle - they look or sound alike but fill different roles in a sentence.
- #46,636
- “fay” frequency rank
- #21,248
- “fei” frequency rank
- 67884
- confusion score
Side-by-Side Comparison
| Feature | fay | fei |
|---|---|---|
| Definition | eine Fee | erzgebirgisch, fränkisch, süddeutsch, oberdeutsch, drückt aus, dass man annimmt, dass die oder der Angesprochene das Gesagte noch nicht weiß |
Where the spellings diverge
Shared letters are muted; the letters that actually set fay and fei apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: fay is [feɪ] while fei is [faɪ̯]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs particle), which is usually the fastest check. Our composite confusion score for this pair is 67884, derived from the frequency rank of both members and their visual similarity.
fay is recorded at frequency rank #46,636, classified as anoun, pronounced [feɪ]. fei is at rank #21,248, tagged as aparticle, pronounced [faɪ̯].
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 67884, this pair ranks #525,606 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fay vs fei
Shared letters: f. Private to "fay": ay. Private to "fei": ei.
"fay" · 3 letters · shape CVV · "fei" · 3 letters · shape CVV
Frequency comparison
Frequently Asked Questions
Can "fay" and "fei" be used interchangeably?
Which is more common, "fay" or "fei"?
Remembering fay vs fei
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “fay”; for a particle, it's “fei”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “fay” entry
- Browse more pairs most likely to be confused. Most confusable