sex

/sɛks/

//sɛks// noun

The verdict

“sex” sits in 20 confusable pairs (corpus #7,835) as a noun. The look-alike neighbours are the real trap.

#7,835
frequency rank, Portuguese
2,603
“S” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - sexo, gênero

Visual similarity to commonly confused words

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

sex vs só
33% similar
sex vs si
33% similar
sex vs su
33% similar

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

Key facts for sex
PropertyValue
Headwordsex
LanguagePortuguese
Part of speechNoun
IPA/sɛks/
Letters3
Frequency rank#7,835
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “sex” 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). sex lands here:

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

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

Easy to mix with look-alikes

The spelling risk for sex is neighbouring look-alikes ("só", "si", …), not just typos; it is anoun pronounced /sɛks/. Frequency #7,835 among 2,603 “S” headwords. 3 recorded senses keep meaning in play.

sex doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "só", "si", "su", and more, where similar look or sound leads writers to substitute one word for another in context.

Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Portuguese form is sex, spelled S-E-X.

Definition

  1. 1
    sexo, gênero
  2. 2
    genitália, órgão sexual (masculino ou feminino)
  3. 3
    ato sexual, cópula

Synonyms

gendersexualitygenitaliacopulasexual intercourse

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 "sex"?
"sex" is spelled S-E-X. The IPA pronunciation is /sɛks/.
What does "sex" mean?
As a noun, "sex" means: sexo, gênero
What words are commonly confused with "sex"?
"sex" is commonly confused with "só", "si", "su". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "sex"?
The IPA (International Phonetic Alphabet) transcription for "sex" is /sɛks/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "sex" come from?
"sex" 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 “sex”

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

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

Words at a similar Portuguese frequency

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