fortress

/ˈfɔɹ.tɹəs/

//ˈfɔɹ.tɹəs// noun

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

The verdict

“fortress” is uncommon Spanish (frequency #65,388 among 18,759 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#65,388
frequency rank, Spanish
18,759
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Fortaleza, fuerte.

Key facts for fortress
PropertyValue
Headwordfortress
LanguageSpanish
Part of speechNoun
IPA/ˈfɔɹ.tɹəs/
Letters8
Frequency rank#65,388
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “fortress” sits in Spanish 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). fortress lands here:

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

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

Rare enough to double-check

fortress is uncommon Spanish at frequency #65,388 among 18,759 “F” headwords, classed as anoun, transcribed /ˈfɔɹ.tɹəs/. Rarity is why readers land here mid-draft. 2 senses are on record.

fortress has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No borrowing history is documented for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is fortress, spelled F-O-R-T-R-E-S-S.

Definition

  1. 1
    Fortaleza, fuerte.
  2. 2
    Castillo.

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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "fortress"?
"fortress" is spelled F-O-R-T-R-E-S-S. The IPA pronunciation is /ˈfɔɹ.tɹəs/.
What does "fortress" mean?
As a noun, "fortress" means: Fortaleza, fuerte.
How do you pronounce "fortress"?
The IPA (International Phonetic Alphabet) transcription for "fortress" is /ˈfɔɹ.tɹəs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "fortress" come from?
"fortress" is a Spanish 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 “fortress”

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

  • The one correct Spanish spelling is F-O-R-T-R-E-S-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈfɔɹ.tɹəs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words

Other uncommon Spanish words near this rank

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