Which to use
“weaker” and “weakly” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #8,503
- “weaker” frequency rank
- #23,432
- “weakly” frequency rank
- 31935
- confusion score
Side-by-Side Comparison
| Feature | weaker | weakly |
|---|---|---|
| Definition | comparative form of weak: more weak | Frail, sickly or of a delicate constitution; weak. |
Where the eye mixes weaker and weakly
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between weaker and weakly
A purely visual mix-up. weaker (/ˈwiːkə/) and weakly (/ˈwiːkli/) 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 31935, derived from the frequency rank of both members and their visual similarity.
weaker is recorded at frequency rank #8,503, classified as anadj, pronounced /ˈwiːkə/. weakly is at rank #23,432, tagged as anadj, pronounced /ˈwiːkli/.
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 31935, this pair ranks #341,978 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of weaker vs weakly
Shared letters: aekw. Private to "weaker": r. Private to "weakly": ly.
"weaker" · 6 letters · shape CVVCVC · "weakly" · 6 letters · shape CVVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "weaker" and "weakly" be used interchangeably?
Which is more common, "weaker" or "weakly"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "weaker" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "weakly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #341,978 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "weaker" and "weakly" also get mixed up with nearby pairs, the highest-scored neighbour is "weaker vs wrecker". 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 #341,978 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.