Which to use
“downside” and “downtime” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,110
- “downside” frequency rank
- #22,358
- “downtime” frequency rank
- 36468
- confusion score
Side-by-Side Comparison
| Feature | downside | downtime |
|---|---|---|
| Definition | A disadvantageous aspect of something that is normally advantageous. | Time lost due to the failure of some system or machinery, such as a computer crash or power outage. |
Where the eye mixes downside and downtime
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. downside and downtime follow the identical consonant-vowel pattern (CVCCCVCV). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: downside vs downtime
A purely visual mix-up. downside (/ˈdaʊnˌsaɪd/) and downtime (/ˈdaʊntaɪm/) 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 36468, derived from the frequency rank of both members and their visual similarity.
downside is recorded at frequency rank #14,110, classified as anoun, pronounced /ˈdaʊnˌsaɪd/. downtime is at rank #22,358, tagged as anoun, pronounced /ˈdaʊntaɪm/.
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 36468, this pair ranks #302,963 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of downside vs downtime
Shared letters: deinow. Private to "downside": s. Private to "downtime": mt.
"downside" · 8 letters · shape CVCCCVCV · "downtime" · 8 letters · shape CVCCCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "downside" for "downtime" ever safe?
Frequency check: "downside" vs "downtime" - which ranks higher?
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 "downside" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "downtime" - compare definitions side by side with the headword page. Word entry
- This pair ranks #302,963 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "downside" and "downtime" also get mixed up with nearby pairs, the highest-scored neighbour is "Downie vs downtime". 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 #302,963 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.