sleepyvssteelyConfusable pair

Which to use

“sleepy” and “steely” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#11,608
“sleepy” frequency rank
#36,352
“steely” frequency rank
47960
confusion score

Side-by-Side Comparison

Feature sleepy steely
Definition Tired; feeling the need for sleep. Having qualities resembling those of steel, especially hardness and resoluteness.

Where the eye mixes sleepy and steely

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sleepy and steely follow the identical consonant-vowel pattern (CCVVCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
sleepy
6 ch
steely

Why the eye confuses sleepy with steely

A purely visual mix-up. sleepy (/ˈsliːpi/) and steely (/ˈstiːli/) 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 47960, 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/. steely is at rank #36,352, tagged as anadj, pronounced /ˈstiːli/.

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 47960, this pair ranks #197,608 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sleepy vs steely

Shared letters: elsy. Private to "sleepy": p. Private to "steely": t.

"sleepy" · 6 letters · shape CCVVCV  ·  "steely" · 6 letters · shape CCVVCV

Known mistypes of this pair

  • sleepy ← lseepy · selepy · sleeppy · sleepyy · sleeyp · slepey · slepy · slleepy
  • steely ← setely · ssteely · steelly · steelyy · steeyl · steley · stely · stteely

Frequently Asked Questions

Is swapping "sleepy" for "steely" ever safe?
No. They are said differently (/ˈsliːpi/ versus /ˈstiːli/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "sleepy" or "steely" show up more?
"sleepy" is the more common of the two: it sits at frequency rank #11,608 in our English list, against #36,352 for "steely". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "sleepy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "steely" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #197,608 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sleepy" and "steely" also get mixed up with nearby pairs, the highest-scored neighbour is "steely vs sternly". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #197,608 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list