Which to use
“sky” is a noun and “sob” is a preposition - they look or sound alike but fill different roles in a sentence.
- #7,084
- “sky” frequency rank
- #320
- “sob” frequency rank
- 7404
- confusion score
Side-by-Side Comparison
| Feature | sky | sob |
|---|---|---|
| Definition | céu | abaixo, em baixo |
Where the eye mixes sky and sob
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses sky with sob
These two trip readers on the page rather than in the ear: sky is /skaɪ/ while sob is /ˈsob/. 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 preposition), which is usually the fastest check. Our composite confusion score for this pair is 7404, derived from the frequency rank of both members and their visual similarity.
sky is recorded at frequency rank #7,084, classified as anoun, pronounced /skaɪ/. sob is at rank #320, tagged as aprep, pronounced /ˈsob/.
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 7404, this pair ranks #66,734 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of sky vs sob
Shared letters: s. Private to "sky": ky. Private to "sob": bo.
"sky" · 3 letters · shape CCV · "sob" · 3 letters · shape CVC
Frequently Asked Questions
Do "sky" and "sob" mean the same thing in a sentence?
In ordinary Portuguese text, does "sky" or "sob" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "sky" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sob" - compare definitions side by side with the headword page. Word entry
- This pair ranks #66,734 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sky" and "sob" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs sky". Nearby pair
Confusion rank #66,734 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.