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passerine

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Detailed reference entry for the English word "passerine", 9-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Wiktionary, and usage frequency ranked against an open word-frequency list covering the top 100,000 English words. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "passerine" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "passerine" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

The verdict

“passerine” is outside the top-ranked English vocabulary, used as an adjective — the kind of word writers most often double-check.

Unranked
below top-frequency English
9
letters

Dominant Wiktionary sense: Of or relating to the Passeriformes order of perching birds, which are generally anisodactyl (“having three toes pointing forward and one back, which facilitates perching”).

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Key facts for passerine
PropertyValue
Headwordpasserine
LanguageEnglish
Part of speechAdjective
IPA/ˈpæsəɹaɪn/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “passerine” sits in English frequency

passerine falls outside the top-100,000 ranked English 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 English entry for passerine is 9 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈpæsəɹaɪn/. 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.

No misspelling variants are generated for passerine in our index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Adjective adjective sense 1 is borrowed from New Latin Passer (“bird genus”) (from Latin passer (“sparrow”), ultimately from Proto-Indo-European *peth₂- (“to spread out; to fly (in the sense of spreading out wings)”)) + English -ine (suffix meaning ‘of or p… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is passerine, spelled P-A-S-S-E-R-I-N-E, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Of or relating to the Passeriformes order of perching birds, which are generally anisodactyl (“having three toes pointing forward and one back, which facilitates perching”).
  2. 2
    Chiefly in the former names of some birds: approximately the size of a sparrow.

Etymology

Adjective adjective sense 1 is borrowed from New Latin Passer (“bird genus”) (from Latin passer (“sparrow”), ultimately from Proto-Indo-European *peth₂- (“to spread out; to fly (in the sense of spreading out wings)”)) + English -ine (suffix meaning ‘of or pertaining to’). Adjective adjective sense 2 is borrowed from New Latin passerinus (“bird species”) + English -ine. Passerinus is derived from Latin passerīnus (“of or fit for sparrows”), from passer (“sparrow”) (see above) + -īnus (suffix meaning ‘of or pertaining to’). The noun is borrowed from New Latin Passerinae (“former order of birds”), a calque of French passereaux, the plural of passereau (“sparrow; passerine (bird of the order Passeriformes)”), from Latin passer (“sparrow”) (see above) + -eau (suffix forming diminutive masculine nouns, specifically the names of young animals). Cognates * French passerin (“sparrowlike”) (obsolete), Provençal French passerine (“passerine whitethroat, a bird from order Passeriformes”)

Frequently Asked Questions

How do you spell "passerine"?
"passerine" is spelled P-A-S-S-E-R-I-N-E. The IPA pronunciation is /ˈpæsəɹaɪn/.
What does "passerine" mean?
As an adjective, "passerine" means: Of or relating to the Passeriformes order of perching birds, which are generally anisodactyl (“having three toes pointing forward and one back, which facilitates perching”).
How do you pronounce "passerine"?
The IPA (International Phonetic Alphabet) transcription for "passerine" is /ˈpæsəɹaɪn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "passerine"?
Adjective adjective sense 1 is borrowed from New Latin Passer (“bird genus”) (from Latin passer (“sparrow”), ultimately from Proto-Indo-European *peth₂- (“to spread out; to fly (in the sense of spreading out wings)”)) + English -ine (suffix meanin... See the full etymology section above for more details.
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 “passerine”

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

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

Nearby English words

Other entries that begin with the letter P in our English index:

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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.