Rad vs ros, What's the Difference?

Which to use

“Rad” is a noun and “ros” is an adjective - they look or sound alike but fill different roles in a sentence.

#35,306
“Rad” frequency rank: #34,024
“ros” frequency rank: 69330
confusion score

Side-by-Side Comparison

Feature	Rad	ros
Definition	roda	louro

Where the eye mixes Rad and ros

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

Rad

3 ch

ros

Look-alike desk: Rad vs ros

These two trip readers on the page rather than in the ear: Rad is /ˈraːt/ while ros is /ros/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 69330, derived from the frequency rank of both members and their visual similarity.

Rad is recorded at frequency rank #35,306, classified as anoun, pronounced /ˈraːt/. ros is at rank #34,024, tagged as anadj, pronounced /ros/.

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 69330, this pair ranks #3,973 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of Rad vs ros

Shared letters: r. Private to "Rad": ad. Private to "ros": os.

"Rad" · 3 letters · shape CVC · "ros" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "Rad" for "ros" ever safe?

No - they are not even the same part of speech. "Rad" is a noun and "ros" an adjective, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "Rad" or "ros" show up more?

"ros" is the more common of the two: it sits at frequency rank #34,024 in our Portuguese list, against #35,306 for "Rad". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "Rad" and "ros" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "Rad" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ros" - compare definitions side by side with the headword page. Word entry
This pair ranks #3,973 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"Rad" and "ros" also get mixed up with nearby pairs, the highest-scored neighbour is "rabi vs Rad". Nearby pair

Confusion rank #3,973 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.