Which to use
“sickle” is a noun and “sickly” is an adjective - they look or sound alike but fill different roles in a sentence.
- #23,996
- “sickle” frequency rank
- #28,018
- “sickly” frequency rank
- 52014
- confusion score
Side-by-Side Comparison
| Feature | sickle | sickly |
|---|---|---|
| Definition | An implement having a semicircular blade and short handle, used for cutting long grass and cereal crops. | Frequently ill or in poor health; weakly. |
Where the eye mixes sickle and sickly
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. sickle and sickly follow the identical consonant-vowel pattern (CVCCCV). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between sickle and sickly
These two trip readers on the page rather than in the ear: sickle is /ˈsɪkl̩/ while sickly is /ˈsɪkli/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - e in “sickle” becomes y in “sickly”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 52014, derived from the frequency rank of both members and their visual similarity.
sickle is recorded at frequency rank #23,996, classified as anoun, pronounced /ˈsɪkl̩/. sickly is at rank #28,018, tagged as anadj, pronounced /ˈsɪkli/.
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 52014, this pair ranks #160,588 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sickle vs sickly
Shared letters: cikls. Private to "sickle": e. Private to "sickly": y.
"sickle" · 6 letters · shape CVCCCV · "sickly" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "sickle" for "sickly" ever safe?
Frequency check: "sickle" vs "sickly" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sickle" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sickly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #160,588 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sickle" and "sickly" also get mixed up with nearby pairs, the highest-scored neighbour is "sickly vs sucky". 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 #160,588 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.