ser

/ˈseɾ/

//ˈseɾ// noun

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

The verdict

“ser” is in the everyday core of Portuguese, ranked #30 in Portuguese word frequency and used as a noun.

#30
frequency rank, Portuguese
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - existir, aquilo que supõe-se existir

Visual similarity to commonly confused words

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

ser vs só
33% similar
ser vs si
33% similar
ser vs su
33% similar

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

Key facts for ser
PropertyValue
Headwordser
LanguagePortuguese
Part of speechNoun
IPA/ˈseɾ/
Letters3
Frequency rank#30
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “ser” 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). ser 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 ser is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈseɾ/. Corpus data places it at rank #30 in overall Portuguese word frequency, putting it firmly in the everyday core of the language. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our edit-distance generator produced no likely misspellings for ser, 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, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

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 ser, spelled S-E-R.

Definition

  1. 1
    existir, aquilo que supõe-se existir
  2. 2
    todo ente vivo e/ou animado

This word in other languages

being(English)ser(Español)être(Français)Sein(Deutsch)

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 "ser"?
"ser" is spelled S-E-R. The IPA pronunciation is /ˈseɾ/.
What does "ser" mean?
As a noun, "ser" means: existir, aquilo que supõe-se existir
What words are commonly confused with "ser"?
"ser" 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 "ser"?
The IPA (International Phonetic Alphabet) transcription for "ser" is /ˈseɾ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ser" come from?
"ser" is a Portuguese word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “ser”

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

  • The one correct Portuguese spelling is S-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈseɾ/ (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. ser vs só
  • 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