darkvsDDRTell them apart

Quick tell: dark is a adjective, DDR is a noun, so they fill different roles in a sentence.

Which to use

“dark” is an adjective and “DDR” is a noun - they look or sound alike but fill different roles in a sentence.

#966
“dark” frequency rank
#38,354
“DDR” frequency rank
39320
confusion score

Side-by-Side Comparison

Feature dark DDR
Definition Having an absolute or (more often) relative lack of light. Initialism of double data rate.

Where the eye mixes dark and DDR

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
dark
3 ch
DDR

Look-alike desk: dark vs DDR

These two trip readers on the page rather than in the ear: dark is /dɑːk/ while DDR is /diː diː ɑː/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39320, derived from the frequency rank of both members and their visual similarity.

dark is recorded at frequency rank #966, classified as anadj, pronounced /dɑːk/. DDR is at rank #38,354, tagged as anoun, pronounced /diː diː ɑː/.

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 39320, this pair ranks #277,774 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dark vs DDR

Shared letters: dr. Private to "dark": ak. Private to "DDR": -.

"dark" · 4 letters · shape CVCC  ·  "DDR" · 3 letters · shape CCC

Known mistypes of this pair

  • darkadrk · dakr · darkk · darrk · ddark · drak

Frequently Asked Questions

Do "dark" and "DDR" mean the same thing in a sentence?
No - they are not even the same part of speech. "dark" is an adjective and "DDR" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "dark" vs "DDR" - which ranks higher?
"dark" is the more common of the two: it sits at frequency rank #966 in our English list, against #38,354 for "DDR". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "dark" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "DDR" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #277,774 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dark" and "DDR" also get mixed up with nearby pairs, the highest-scored neighbour is "DDR vs dox". 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 #277,774 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list