Which to use
“redo” is a verb and “reo” is a noun - they look or sound alike but fill different roles in a sentence.
- #22,787
- “redo” frequency rank
- #42,371
- “reo” frequency rank
- 65158
- confusion score
Side-by-Side Comparison
| Feature | redo | reo |
|---|---|---|
| Definition | To do again. | A reinforcement (additional soldiers). |
Letter map: redo vs reo
Shared letters muted; letters that set redo and reo apart highlighted. Shared run: 3.
Grammar separator: redo vs reo
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: redo is averb and reoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65158, derived from the frequency rank of both members and their visual similarity.
redo is recorded at frequency rank #22,787, classified as averb, pronounced /ɹiˈduː/. reo is at rank #42,371, tagged as anoun.
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 65158, this pair ranks #74,137 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of redo vs reo
Shared letters: eor. Private to "redo": d. Private to "reo": -.
"redo" · 4 letters · shape CVCV · "reo" · 3 letters · shape CVV
Known mistypes of this pair
- redo ← erdo · rdeo · reddo · reod · rredo
Frequently Asked Questions
Can "redo" and "reo" be used interchangeably?
Frequency check: "redo" vs "reo" - which ranks higher?
What to do next
You've compared "redo" and "reo". Here's where to go from here.
- Full dictionary entry for "redo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "reo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #74,137 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "redo" and "reo" also get mixed up with nearby pairs, the highest-scored neighbour is "reo vs Rua". 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 #74,137 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.