dilationvsdonationWhat's the difference?

Which to use

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

#33,615
“dilation” frequency rank
#7,125
“donation” frequency rank
40740
confusion score

Side-by-Side Comparison

Feature dilation donation
Definition The act of dilating. A voluntary gift or contribution for a specific cause.

Where the eye mixes dilation and donation

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
dilation
8 ch
donation

Look-alike desk: dilation vs donation

A purely visual mix-up. dilation (/daɪˈleɪʃən/) and donation (/dəʊˈneɪʃən/) 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 40740, derived from the frequency rank of both members and their visual similarity.

dilation is recorded at frequency rank #33,615, classified as anoun, pronounced /daɪˈleɪʃən/. donation is at rank #7,125, tagged as anoun, pronounced /dəʊˈneɪʃən/.

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 40740, this pair ranks #264,813 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dilation vs donation

Shared letters: adinot. Private to "dilation": l. Private to "donation": -.

"dilation" · 8 letters · shape CVCVCVVC  ·  "donation" · 8 letters · shape CVCVCVVC

Known mistypes of this pair

  • dilationddilation · dialtion · dilaiton · dilasion · dilatino · dilationn · dilatoin · dilattion
  • donationddonation · dnoation · doantion · donaiton · donasion · donatino · donationn · donatoin

Frequently Asked Questions

Do "dilation" and "donation" mean the same thing in a sentence?
No. They are said differently (/daɪˈleɪʃən/ versus /dəʊˈneɪʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "dilation" or "donation"?
"donation" is the more common of the two: it sits at frequency rank #7,125 in our English list, against #33,615 for "dilation". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "dilation" and "donation" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dilation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "donation" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #264,813 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dilation" and "donation" also get mixed up with nearby pairs, the highest-scored neighbour is "diction vs dilation". 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 #264,813 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