Which to use
“seen” is a verb and “speed” is a noun - they look or sound alike but fill different roles in a sentence.
- #281
- “seen” frequency rank
- #1,099
- “speed” frequency rank
- 1380
- confusion score
Side-by-Side Comparison
| Feature | seen | speed |
|---|---|---|
| Definition | past participle of see | The state of moving quickly or the capacity for rapid motion. |
Where the eye mixes seen and speed
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: seen is /siːn/ while speed is /spiːd/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 1380, derived from the frequency rank of both members and their visual similarity.
seen is recorded at frequency rank #281, classified as averb, pronounced /siːn/. speed is at rank #1,099, tagged as anoun, pronounced /spiːd/.
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 1380, this pair ranks #527,556 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of seen vs speed
Shared letters: es. Private to "seen": n. Private to "speed": dp.
"seen" · 4 letters · shape CVVC · "speed" · 5 letters · shape CCVVC