DARPA vs dura, What's the Difference?

Which to use

“DARPA” is a name and “dura” is a noun - they look or sound alike but fill different roles in a sentence.

#38,353
“DARPA” frequency rank: #42,109
“dura” frequency rank: 80462
confusion score

Side-by-Side Comparison

Feature	DARPA	dura
Definition	Acronym of Defense Advanced Research Projects Agency.	Ellipsis of dura mater.

Where the spellings diverge

Shared letters are muted; the letters that actually set DARPA and dura apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch

DARPA

4 ch

dura

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: DARPA is /ˈdɑː(ɹ)pə/ while dura is /ˈdjʊə.ɹə/. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 80462, derived from the frequency rank of both members and their visual similarity.

DARPA is recorded at frequency rank #38,353, classified as aname, pronounced /ˈdɑː(ɹ)pə/. dura is at rank #42,109, tagged as anoun, pronounced /ˈdjʊə.ɹə/.

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 80462, this pair ranks #19,748 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of DARPA vs dura

Shared letters: adr. Private to "DARPA": p. Private to "dura": u.

"DARPA" · 5 letters · shape CVCCV · "dura" · 4 letters · shape CVCV

Known mistypes of this pair

DARPA ← adrpa · dapra · darap · darppa · darrpa · ddarpa · drapa
dura ← ddura · drua · duar · durra · udra

Frequency comparison

DARPA#38,353

dura#42,109

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "DARPA" and "dura" be used interchangeably?

No - they are not even the same part of speech. "DARPA" is a name and "dura" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "DARPA" or "dura"?

"DARPA" is the more common of the two: it sits at frequency rank #38,353 in our English list, against #42,109 for "dura". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering DARPA vs dura

The fastest way to pick the right one every time.

Check the role first: if you need a name, it's “DARPA”; for a noun, it's “dura”.
See each word in full, definition, IPA, etymology and its other confusables. Full “DARPA” entry
Browse more pairs most likely to be confused. Most confusable