Which to use
“memo” is an adjective and “metro” is a noun - they look or sound alike but fill different roles in a sentence.
- #19,175
- “memo” frequency rank
- #1,905
- “metro” frequency rank
- 21080
- confusion score
Side-by-Side Comparison
| Feature | memo | metro |
|---|---|---|
| Definition | Falto de inteligencia o entendimiento. | Unidad de longitud del Sistema Internacional de Unidades equivalente a la distancia recorrida por la luz en un tiempo de 1/299.792.458 de segundo. |
Where the eye mixes memo and metro
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. memo runs 4 letters (CVCV) against metro's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses memo with metro
These two trip readers on the page rather than in the ear: memo is [ˈmemo] while metro is [ˈmet̪ɾo]. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 21080, derived from the frequency rank of both members and their visual similarity.
memo is recorded at frequency rank #19,175, classified as anadj, pronounced [ˈmemo]. metro is at rank #1,905, tagged as anoun, pronounced [ˈmet̪ɾo].
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 21080, this pair ranks #256,516 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of memo vs metro
Shared letters: emo. Private to "memo": -. Private to "metro": rt.
"memo" · 4 letters · shape CVCV · "metro" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "memo" and "metro" be used interchangeably?
Frequency check: "memo" vs "metro" - which ranks higher?
Useful next steps
Eye-level mix-up between "memo" and "metro" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "memo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "metro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #256,516 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "memo" and "metro" also get mixed up with nearby pairs, the highest-scored neighbour is "mello vs memo". 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 #256,516 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.