Which to use
“nau” is a noun and “navy” is an adjective - they look or sound alike but fill different roles in a sentence.
- #17,867
- “nau” frequency rank
- #29,843
- “navy” frequency rank
- 47710
- confusion score
Side-by-Side Comparison
| Feature | nau | navy |
|---|---|---|
| Definition | grande embarcação de guerra ou mercante, de tipo antigo | azul escuro, azul-marinho |
Where the eye mixes nau and navy
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. nau runs 3 letters (CVV) against navy's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between nau and navy
These two trip readers on the page rather than in the ear: nau is /ˈnaw/ while navy is /ˈneɪvi/. 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 47710, derived from the frequency rank of both members and their visual similarity.
nau is recorded at frequency rank #17,867, classified as anoun, pronounced /ˈnaw/. navy is at rank #29,843, tagged as anadj, pronounced /ˈneɪvi/.
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 47710, this pair ranks #17,524 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of nau vs navy
Shared letters: an. Private to "nau": u. Private to "navy": vy.
"nau" · 3 letters · shape CVV · "navy" · 4 letters · shape CVCV
Known mistypes of this pair
- navy ← anvy · navvy · navyy · nayv · nnavy · nvay
Frequently Asked Questions
Is swapping "nau" for "navy" ever safe?
Which is more common, "nau" or "navy"?
Useful next steps
Eye-level mix-up between "nau" and "navy" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "nau" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "navy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #17,524 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "nau" and "navy" also get mixed up with nearby pairs, the highest-scored neighbour is "nami vs navy". 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 #17,524 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.