underline

noun

The verdict

“underline” is outside the top-ranked Portuguese vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency Portuguese
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - ver sublinha, subtraço, traço inferior

Key facts for underline
PropertyValue
Headwordunderline
LanguagePortuguese
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “underline” sits in Portuguese frequency

underline falls outside the top-100,000 ranked Portuguese words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Portuguese entry for underline is 9 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

underline has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

No documented word history exists for this headword, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Portuguese form is underline, spelled U-N-D-E-R-L-I-N-E.

Definition

  1. 1
    ver sublinha, subtraço, traço inferior
  2. 2
    nome do símbolo _

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "underline"?
"underline" is spelled U-N-D-E-R-L-I-N-E.
What does "underline" mean?
As a noun, "underline" means: ver sublinha, subtraço, traço inferior
What language does "underline" come from?
"underline" 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 “underline”

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

  • The one correct Portuguese spelling is U-N-D-E-R-L-I-N-E - every other letter order is a misspelling in standard orthography.
  • 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