dayvsdonTell them apart

Which to use

“day” and “don” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,512
“day” frequency rank
#4,306
“don” frequency rank
6818
confusion score

Side-by-Side Comparison

Feature day don
Definition dia (período de 24 horas) professor universitário (especialmente da Universidade de Oxford ou de Cambridge)

Where the eye mixes day and don

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
day
3 ch
don

Why the eye confuses day with don

A purely visual mix-up. day (/deɪ/) and don (/dɒn/ ouvir ^(fonte ?)) 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 6818, derived from the frequency rank of both members and their visual similarity.

day is recorded at frequency rank #2,512, classified as anoun, pronounced /deɪ/. don is at rank #4,306, tagged as anoun, pronounced /dɒn/ ouvir ^(fonte ?).

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 6818, this pair ranks #67,505 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of day vs don

Shared letters: d. Private to "day": ay. Private to "don": no.

"day" · 3 letters · shape CVV  ·  "don" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "day" for "don" ever safe?
No. They are said differently (/deɪ/ versus /dɒn/ ouvir ^(fonte ?)) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "day" vs "don" - which ranks higher?
"day" is the more common of the two: it sits at frequency rank #2,512 in our Portuguese list, against #4,306 for "don". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "day" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "don" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #67,505 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "day" and "don" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs don". Nearby pair

Confusion rank #67,505 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list