Which to use
“sleepy” and “speedy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,608
- “sleepy” frequency rank
- #12,144
- “speedy” frequency rank
- 23752
- confusion score
Side-by-Side Comparison
| Feature | sleepy | speedy |
|---|---|---|
| Definition | Tired; feeling the need for sleep. | Proceeding with or characterized by high speed; rapid. |
Where the eye mixes sleepy and speedy
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. sleepy (/ˈsliːpi/) and speedy (/ˈspiː.di/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 23752, derived from the frequency rank of both members and their visual similarity.
sleepy is recorded at frequency rank #11,608, classified as anadj, pronounced /ˈsliːpi/. speedy is at rank #12,144, tagged as anadj, pronounced /ˈspiː.di/.
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 23752, this pair ranks #407,023 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of sleepy vs speedy
Shared letters: epsy. Private to "sleepy": l. Private to "speedy": d.
"sleepy" · 6 letters · shape CCVVCV · "speedy" · 6 letters · shape CCVVCV