fidelis

/fiˈdeː.lis/

//fiˈdeː.lis// adj

The verdict

“fidelis” is uncommon Spanish (frequency #87,835 among 18,759 “F” headwords), classed as an adjective. The kind of spelling people second-guess.

#87,835
frequency rank, Spanish
18,759
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Fiel, leal, constante, seguro, dedicado.

Key facts for fidelis
PropertyValue
Headwordfidelis
LanguageSpanish
Part of speechAdjective
IPA/fiˈdeː.lis/
Letters7
Frequency rank#87,835
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “fidelis” 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). fidelis 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

fidelis is uncommon Spanish at frequency #87,835 among 18,759 “F” headwords, classed as anadjective, transcribed /fiˈdeː.lis/. Rarity is why readers land here mid-draft. 6 senses are on record.

fidelis has no tracked misspelling variants, suggesting the orthography follows predictable Spanish patterns. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Our source data has no etymology on file for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct Spanish form is fidelis, spelled F-I-D-E-L-I-S.

Definition

  1. 1
    Fiel, leal, constante, seguro, dedicado.
  2. 2
    Leal, firme, que cumple.
  3. 3
    Leal, firme, que cumple.
  4. 4
    Confiable, fiable, fidedigno, (digno) de confianza.
  5. 5
    Confiable, fiable, fidedigno, (digno) de confianza.
  6. 6
    Confiable, fiable, fidedigno, (digno) de confianza.

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 "fidelis"?
"fidelis" is spelled F-I-D-E-L-I-S. The IPA pronunciation is /fiˈdeː.lis/.
What does "fidelis" mean?
As an adjective, "fidelis" means: Fiel, leal, constante, seguro, dedicado.
How do you pronounce "fidelis"?
The IPA (International Phonetic Alphabet) transcription for "fidelis" is /fiˈdeː.lis/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "fidelis" come from?
"fidelis" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 “fidelis”

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

  • The one correct Spanish spelling is F-I-D-E-L-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as /fiˈdeː.lis/ (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