Which to use
“mer” is a noun and “mo” is an adjective - they look or sound alike but fill different roles in a sentence.
- #21,067
- “mer” frequency rank
- #7,460
- “mo” frequency rank
- 28527
- confusion score
Side-by-Side Comparison
| Feature | mer | mo |
|---|---|---|
| Definition | Mar. | Mi, mío. |
Letter map: mer vs mo
Shared letters muted; letters that set mer and mo apart highlighted. Shared run: 1.
Part-of-speech tell for mer / mo
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mer is anoun and moanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 28527, derived from the frequency rank of both members and their visual similarity.
mer is recorded at frequency rank #21,067, classified as anoun, pronounced [mɛʁ]. mo is at rank #7,460, tagged as anadj.
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 28527, this pair ranks #221,587 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of mer vs mo
Shared letters: m. Private to "mer": er. Private to "mo": o.
"mer" · 3 letters · shape CVC · "mo" · 2 letters · shape CV
Frequently Asked Questions
Do "mer" and "mo" mean the same thing in a sentence?
Frequency check: "mer" vs "mo" - which ranks higher?
What to do next
You've compared "mer" and "mo". Here's where to go from here.
- Full dictionary entry for "mer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #221,587 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "mer" and "mo" also get mixed up with nearby pairs, the highest-scored neighbour is "mer vs mur". Nearby pair
Confusion rank #221,587 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.