Which to use
“drop” is a noun and “dup” is a verb - they look or sound alike but fill different roles in a sentence.
- #1,103
- “drop” frequency rank
- #28,177
- “dup” frequency rank
- 29280
- confusion score
Side-by-Side Comparison
| Feature | drop | dup |
|---|---|---|
| Definition | A small quantity of liquid, just large enough to hold its own rounded shape through surface tension, especially one that falls from a source of liquid. | to open (a door, gate etc.) |
Where the eye mixes drop and dup
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: drop is /dɹɒp/ while dup is /dʌp/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 29280, derived from the frequency rank of both members and their visual similarity.
drop is recorded at frequency rank #1,103, classified as anoun, pronounced /dɹɒp/. dup is at rank #28,177, tagged as averb, pronounced /dʌp/.
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 29280, this pair ranks #364,279 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of drop vs dup
Shared letters: dp. Private to "drop": or. Private to "dup": u.
"drop" · 4 letters · shape CCVC · "dup" · 3 letters · shape CVC
Known mistypes of this pair
- drop ← ddrop · dorp · dropp · drpo · drrop · rdop