Which to use
“real” is an adjective and “RER” is a name - they look or sound alike but fill different roles in a sentence.
- #4,016
- “real” frequency rank
- #6,746
- “RER” frequency rank
- 10762
- confusion score
Side-by-Side Comparison
| Feature | real | RER |
|---|---|---|
| Definition | Réel : concrètement existant, dans la réalité concrète. | Réseau express régional, un chemin de fer desservant l’Île-de-France, en France. |
Where the eye mixes real and RER
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: real vs RER
These two trip readers on the page rather than in the ear: real is \ʀeˈaːl\ while RER is \ɛ.ʁø.ɛʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 10762, derived from the frequency rank of both members and their visual similarity.
real is recorded at frequency rank #4,016, classified as anadj, pronounced \ʀeˈaːl\. RER is at rank #6,746, tagged as aname, pronounced \ɛ.ʁø.ɛʁ\.
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 10762, this pair ranks #411,739 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of real vs RER
Shared letters: er. Private to "real": al. Private to "RER": -.
"real" · 4 letters · shape CVVC · "RER" · 3 letters · shape CVC
Known mistypes of this pair
- real ← eral · rael · reall · rela · rreal
Frequently Asked Questions
Is swapping "real" for "RER" ever safe?
Frequency check: "real" vs "RER" - which ranks higher?
What to do next
Eye-level mix-up between "real" and "RER" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "real" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "RER" - compare definitions side by side with the headword page. Word entry
- This pair ranks #411,739 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "real" and "RER" also get mixed up with nearby pairs, the highest-scored neighbour is "Reis vs RER". 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 #411,739 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.