dimervsdimesWhich spelling fits?

Which to use

“dimer” and “dimes” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#49,871
“dimer” frequency rank
#31,512
“dimes” frequency rank
81383
confusion score

Side-by-Side Comparison

Feature dimer dimes
Definition A molecule consisting of two identical halves, formed by joining two identical molecules, sometimes with a single atom acting as a bridge. plural of dime

Where the eye mixes dimer and dimes

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
dimer
5 ch
dimes

Why the eye confuses dimer with dimes

A purely visual mix-up. dimer (/ˈdaɪmə(ɹ)/) and dimes (/daɪmz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - r in “dimer” becomes s in “dimes”. Our composite confusion score for this pair is 81383, derived from the frequency rank of both members and their visual similarity.

dimer is recorded at frequency rank #49,871, classified as anoun, pronounced /ˈdaɪmə(ɹ)/. dimes is at rank #31,512, tagged as anoun, pronounced /daɪmz/.

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 81383, this pair ranks #17,793 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of dimer vs dimes

Shared letters: deim. Private to "dimer": r. Private to "dimes": s.

"dimer" · 5 letters · shape CVCVC  ·  "dimes" · 5 letters · shape CVCVC

Known mistypes of this pair

  • dimerddimer · diemr · dimerr · dimre · dmier · idmer
  • dimesddimes · diems · dimess · dimmes · dimse · dmies · idmes

Frequently Asked Questions

Can "dimer" and "dimes" be used interchangeably?
No. They are said differently (/ˈdaɪmə(ɹ)/ versus /daɪmz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "dimer" or "dimes"?
"dimes" is the more common of the two: it sits at frequency rank #31,512 in our English list, against #49,871 for "dimer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "dimer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dimes" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,793 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dimer" and "dimes" also get mixed up with nearby pairs, the highest-scored neighbour is "dikes vs dimer". 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 #17,793 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