Which to use
“so” is a conjunction and “sun” is a name - they look or sound alike but fill different roles in a sentence.
- #33
- “so” frequency rank
- #1,154
- “sun” frequency rank
- 1187
- confusion score
Side-by-Side Comparison
| Feature | so | sun |
|---|---|---|
| Definition | Reduced form of 'so that', used to express purpose; in order that. | The star that is closest to the Earth. |
Where the eye mixes so and sun
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: so is /səʊ/ while sun is /sʌn/. 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 (conjunction vs name), which is usually the fastest check. Our composite confusion score for this pair is 1187, derived from the frequency rank of both members and their visual similarity.
so is recorded at frequency rank #33, classified as aconj, pronounced /səʊ/. sun is at rank #1,154, tagged as aname, pronounced /sʌn/.
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 1187, this pair ranks #527,915 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of so vs sun
Shared letters: s. Private to "so": o. Private to "sun": nu.
"so" · 2 letters · shape CV · "sun" · 3 letters · shape CVC