perfiden

[pɛʁˈfiːdn̩]

/[pɛʁˈfiːdn̩]/ adj

The verdict

“perfiden” is uncommon German (frequency #71,702 among 49,534 “P” headwords), classed as an adjective. The kind of spelling people second-guess.

#71,702
frequency rank, German
49,534
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs perfid

Key facts for perfiden
PropertyValue
Headwordperfiden
LanguageGerman
Part of speechAdjective
IPA[pɛʁˈfiːdn̩]
Letters8
Frequency rank#71,702
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “perfiden” sits in German 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). perfiden 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

perfiden is uncommon German at frequency #71,702 among 49,534 “P” headwords, classed as anadjective, transcribed [pɛʁˈfiːdn̩]. Rarity is why readers land here mid-draft. 12 senses are on record.

perfiden has no tracked misspelling variants, a sign its spelling follows regular German conventions. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Our source data has no etymology on file for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct German form is perfiden, spelled P-E-R-F-I-D-E-N.

Definition

  1. 1
    Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs perfid
  2. 2
    Akkusativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs perfid
  3. 3
    Genitiv Singular Neutrum der starken Deklination des Positivs des Adjektivs perfid
  4. 4
    Dativ Plural alle Genera der starken Deklination des Positivs des Adjektivs perfid
  5. 5
    Genitiv Singular alle Genera der schwachen Deklination des Positivs des Adjektivs perfid
  6. 6
    Dativ Singular alle Genera der schwachen Deklination des Positivs des Adjektivs perfid
  7. 7
    Akkusativ Singular Maskulinum der schwachen Deklination des Positivs des Adjektivs perfid
  8. 8
    Alle Kasus Plural alle Genera der schwachen Deklination des Positivs des Adjektivs perfid
  9. 9
    Genitiv Singular alle Genera der gemischten Deklination des Positivs des Adjektivs perfid
  10. 10
    Dativ Singular alle Genera der gemischten Deklination des Positivs des Adjektivs perfid
  11. 11
    Akkusativ Singular Maskulinum der gemischten Deklination des Positivs des Adjektivs perfid
  12. 12
    Alle Kasus Plural alle Genera der gemischten Deklination des Positivs des Adjektivs perfid

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

Frequently Asked Questions

How do you spell "perfiden"?
"perfiden" is spelled P-E-R-F-I-D-E-N. The IPA pronunciation is [pɛʁˈfiːdn̩].
What does "perfiden" mean?
As an adjective, "perfiden" means: Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs perfid
How do you pronounce "perfiden"?
The IPA (International Phonetic Alphabet) transcription for "perfiden" is [pɛʁˈfiːdn̩]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "perfiden" come from?
"perfiden" is a German 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 “perfiden”

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

  • The one correct German spelling is P-E-R-F-I-D-E-N - every other letter order is a misspelling in standard orthography.
  • Say it as [pɛʁˈfiːdn̩] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more German words and confusable pairs in the same reference. German words

Other uncommon German 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