Which to use
“milénio” is a noun and “milésimo” is an adjective - they look or sound alike but fill different roles in a sentence.
- #24,392
- “milénio” frequency rank
- #42,556
- “milésimo” frequency rank
- 66948
- confusion score
Side-by-Side Comparison
| Feature | milénio | milésimo |
|---|---|---|
| Definition | duração de mil anos | ordem de um elemento em um conjunto, que ocupe a posição equivalente ao número mil |
Where the eye mixes milénio and milésimo
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. milénio runs 7 letters (CVCVCVV) against milésimo's 8 (CVCVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: milénio vs milésimo
These two trip readers on the page rather than in the ear: milénio is /mi.ˈlɛ.nju/ while milésimo is /mi.ˈlɛ.zi.mu/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 66948, derived from the frequency rank of both members and their visual similarity.
milénio is recorded at frequency rank #24,392, classified as anoun, pronounced /mi.ˈlɛ.nju/. milésimo is at rank #42,556, tagged as anadj, pronounced /mi.ˈlɛ.zi.mu/.
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 66948, this pair ranks #4,801 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of milénio vs milésimo
Shared letters: ilmoé. Private to "milénio": n. Private to "milésimo": s.
"milénio" · 7 letters · shape CVCVCVV · "milésimo" · 8 letters · shape CVCVCVCV
Frequently Asked Questions
Is swapping "milénio" for "milésimo" ever safe?
Frequency check: "milénio" vs "milésimo" - which ranks higher?
What to do next
Eye-level mix-up between "milénio" and "milésimo" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "milénio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "milésimo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #4,801 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "milénio" and "milésimo" also get mixed up with nearby pairs, the highest-scored neighbour is "milenar vs milénio". Nearby pair
Confusion rank #4,801 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.