Which to use
“FBI” is an abbrev and “Fes” is a noun - they look or sound alike but fill different roles in a sentence.
- #9,189
- “FBI” frequency rank
- #39,338
- “Fes” frequency rank
- 48527
- confusion score
Side-by-Side Comparison
| Feature | FBI | Fes |
|---|---|---|
| Definition | Federal Bureau of Investigation, die Ermittlungsbehörde der Vereinigten Staaten von Amerika | orientalische Kopfbedeckung |
Where the eye mixes FBI and Fes
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses FBI with Fes
These two trip readers on the page rather than in the ear: FBI is [ɛfbiːˈʔaɪ̯] while Fes is [feːs]. 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 (abbrev vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48527, derived from the frequency rank of both members and their visual similarity.
FBI is recorded at frequency rank #9,189, classified as anabbrev, pronounced [ɛfbiːˈʔaɪ̯]. Fes is at rank #39,338, tagged as anoun, pronounced [feːs].
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 48527, this pair ranks #1,245,288 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of FBI vs Fes
Shared letters: f. Private to "FBI": bi. Private to "Fes": es.
"FBI" · 3 letters · shape CCV · "Fes" · 3 letters · shape CVC
Frequently Asked Questions
Do "FBI" and "Fes" mean the same thing in a sentence?
Which is more common, "FBI" or "Fes"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "FBI" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Fes" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,245,288 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "FBI" and "Fes" also get mixed up with nearby pairs, the highest-scored neighbour is "Fes vs fist". Nearby pair
Confusion rank #1,245,288 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.