day

/deɪ/

//deɪ// noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“day” is a regularly-used Portuguese word, ranked #2,512 in Portuguese word frequency and used as a noun.

#2,512
frequency rank, Portuguese
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - dia (período de 24 horas)

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

day vs de
33% similar
day vs do
33% similar
day vs DJ
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for day
PropertyValue
Headwordday
LanguagePortuguese
Part of speechNoun
IPA/deɪ/
Letters3
Frequency rank#2,512
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “day” sits in Portuguese frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). day lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Portuguese entry for day is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /deɪ/. Corpus data places it at rank #2,512 in overall Portuguese word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Zero misspellings are on record for day in our index, which points to an orthography that plays by predictable Portuguese rules. It also participates in 20 confusable-pair relationships, "de", "do", "DJ", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

This entry's etymology isn't recorded, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is day, spelled D-A-Y.

Definition

  1. 1
    dia (período de 24 horas)
  2. 2
    dia (período entre o nascer-do-sol até o pôr-do-sol)

Synonyms

daytime

Antonyms

nightnighttime

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "day"?
"day" is spelled D-A-Y. The IPA pronunciation is /deɪ/.
What does "day" mean?
As a noun, "day" means: dia (período de 24 horas)
What words are commonly confused with "day"?
"day" is commonly confused with "de", "do", "DJ". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "day"?
The IPA (International Phonetic Alphabet) transcription for "day" is /deɪ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "day" come from?
"day" is a Portuguese word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “day”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Portuguese spelling is D-A-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /deɪ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “de” - see the side-by-side comparison. day vs de
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list