Which to use
“Darcy” and “DARPA” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #19,058
- “Darcy” frequency rank
- #38,353
- “DARPA” frequency rank
- 57411
- confusion score
Side-by-Side Comparison
| Feature | Darcy | DARPA |
|---|---|---|
| Definition | A Norman baronial surname from Old French. | Acronym of Defense Advanced Research Projects Agency. |
Where the eye mixes Darcy and DARPA
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Darcy and DARPA follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: Darcy vs DARPA
A purely visual mix-up. Darcy (/ˈdɑː.si/) and DARPA (/ˈdɑː(ɹ)pə/) 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 57411, derived from the frequency rank of both members and their visual similarity.
Darcy is recorded at frequency rank #19,058, classified as aname, pronounced /ˈdɑː.si/. DARPA is at rank #38,353, tagged as aname, pronounced /ˈdɑː(ɹ)pə/.
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 57411, this pair ranks #119,441 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of Darcy vs DARPA
Shared letters: adr. Private to "Darcy": cy. Private to "DARPA": p.
"Darcy" · 5 letters · shape CVCCV · "DARPA" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Darcy" for "DARPA" ever safe?
Frequency check: "Darcy" vs "DARPA" - 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 "Darcy" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "DARPA" - compare definitions side by side with the headword page. Word entry
- This pair ranks #119,441 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Darcy" and "DARPA" also get mixed up with nearby pairs, the highest-scored neighbour is "Dalia vs DARPA". 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 #119,441 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.