Which to use
“on” is a num and “onda” is a noun - they look or sound alike but fill different roles in a sentence.
- #1,908
- “on” frequency rank
- #1,951
- “onda” frequency rank
- 3859
- confusion score
Side-by-Side Comparison
| Feature | on | onda |
|---|---|---|
| Definition | Diez. | Perturbación que se propaga en un fluido o en un medio elástico. Como las oscilaciones producidas en la superficie de un liquido al arrojar un objeto en el mismo. |
Where the eye mixes on and onda
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between on and onda
These two trip readers on the page rather than in the ear: on is [ˈon] while onda is [ˈõn̪d̪a]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “on” sits inside “onda”, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 3859, derived from the frequency rank of both members and their visual similarity.
on is recorded at frequency rank #1,908, classified as anum, pronounced [ˈon]. onda is at rank #1,951, tagged as anoun, pronounced [ˈõn̪d̪a].
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 3859, this pair ranks #317,404 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of on vs onda
Shared letters: no. Private to "on": -. Private to "onda": ad.
"on" · 2 letters · shape VC · "onda" · 4 letters · shape VCCV
Known mistypes of this pair
- onda ← noda · odna · onad · ondda · onnda
Frequently Asked Questions
Is swapping "on" for "onda" ever safe?
In ordinary Spanish text, does "on" or "onda" show up more?
What to do next
Eye-level mix-up between "on" and "onda" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "on" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "onda" - compare definitions side by side with the headword page. Word entry
- This pair ranks #317,404 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "on" and "onda" also get mixed up with nearby pairs, the highest-scored neighbour is "oirá vs onda". 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 #317,404 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.