Which to use
“downfall” is a noun and “downhill” is an adverb - they look or sound alike but fill different roles in a sentence.
- #14,109
- “downfall” frequency rank
- #11,880
- “downhill” frequency rank
- 25989
- confusion score
Side-by-Side Comparison
| Feature | downfall | downhill |
|---|---|---|
| Definition | A precipitous decline in fortune; death or rapid deterioration, as in status or wealth. | Down a slope. |
Where the eye mixes downfall and downhill
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Why the eye confuses downfall with downhill
These two trip readers on the page rather than in the ear: downfall is /ˈdaʊnfɔːl/ while downhill is /ˈdaʊnˌhɪl/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 25989, derived from the frequency rank of both members and their visual similarity.
downfall is recorded at frequency rank #14,109, classified as anoun, pronounced /ˈdaʊnfɔːl/. downhill is at rank #11,880, tagged as anadv, pronounced /ˈdaʊnˌhɪl/.
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 25989, this pair ranks #390,074 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of downfall vs downhill
Shared letters: dlnow. Private to "downfall": af. Private to "downhill": hi.
"downfall" · 8 letters · shape CVCCCVCC · "downhill" · 8 letters · shape CVCCCVCC
Known mistypes of this pair
Frequently Asked Questions
Can "downfall" and "downhill" be used interchangeably?
Which is more common, "downfall" or "downhill"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "downfall" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "downhill" - compare definitions side by side with the headword page. Word entry
- This pair ranks #390,074 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- 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 #390,074 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.