Which to use
“Federer” is a name and “open” is an adjective - they look or sound alike but fill different roles in a sentence.
- #32,030
- “Federer” frequency rank
- #2,607
- “open” frequency rank
- 34637
- confusion score
Side-by-Side Comparison
| Feature | Federer | open |
|---|---|---|
| Definition | deutschsprachiger Nachname, Familienname | etwas ist nicht geschlossen |
Letter map: Federer vs open
Shared letters muted; letters that set Federer and open apart highlighted. Shared run: 1.
Role in the sentence - Federer and open
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Federer is aname and openanadjective. On the page they differ by 3 letter(s) in length. Our composite confusion score for this pair is 34637, derived from the frequency rank of both members and their visual similarity.
Federer is recorded at frequency rank #32,030, classified as aname, pronounced […]. open is at rank #2,607, tagged as anadj, pronounced […].
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 34637, this pair ranks #1,658,717 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Federer vs open
Shared letters: e. Private to "Federer": dfr. Private to "open": nop.
"Federer" · 7 letters · shape CVCVCVC · "open" · 4 letters · shape VCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Federer" for "open" ever safe?
In ordinary German text, does "Federer" or "open" show up more?
After this comparison
You've compared "Federer" and "open". Here's where to go from here.
- Full dictionary entry for "Federer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "open" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,658,717 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Federer" and "open" also get mixed up with nearby pairs, the highest-scored neighbour is "Federer vs puzzles". 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 #1,658,717 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.