foraminifera

/ˌfɒɹəmɪˈnɪfəɹə/

//ˌfɒɹəmɪˈnɪfəɹə// noun

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

"foraminifera" is a 12-letter English headword indexed on PlainSpell.

The verdict

“foraminifera” is uncommon English (frequency #83,256 among 2,507 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#83,256
frequency rank, English
2,507
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of foraminifer (“any of a large group of aquatic amoeboid protists of the subphylum Foraminifera, characterized by streaming granular ectoplasm that among other things is used for catching ...

Corpus desk

Index EN-foraminifera · foraminifera · English

foraminifera · rank #83,256 · 0 variants · 0 confusables

  • FREQ-RARE #83,256
  • LEN-MEGA 12 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH foxglove

Nearest frequency peer: foxglove (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “foraminifera”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “foraminifera” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for foraminifera
PropertyValue
Headwordforaminifera
LanguageEnglish
Part of speechNoun
IPA/ˌfɒɹəmɪˈnɪfəɹə/
Letters12
Frequency rank#83,256
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “foraminifera” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).foraminiferafalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “foxglove” (#83,257), “flory” (#83,254), “Franko” (#83,258). Among 2,507 “F” headwords, “foraminifera” is #83,256. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

foraminifera is uncommon English at frequency #83,256 among 2,507 “F” headwords, classed as anoun, transcribed /ˌfɒɹəmɪˈnɪfəɹə/. Rarity is why readers land here mid-draft. Gloss: "Synonym of foraminifer (“any of a large group of aquatic amoeboid protists of the subphylum Foraminifera, characterized by streaming granular ectoplasm that among other things is used for catching ...".

Our edit-distance generator produced no likely misspellings for foraminifera, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Learned borrowing from New Latin Foraminifera (subphylum name), from French foraminifère (“foraminifer, foraminifera”), from French Foraminifères, coined by the French naturalist Alcide d’Orbigny (1802–1857) in an 1826 article. Foraminifère is derived from … The correct English form is foraminifera, spelled F-O-R-A-M-I-N-I-F-E-R-A.

Definition

  1. 1
    Synonym of foraminifer (“any of a large group of aquatic amoeboid protists of the subphylum Foraminifera, characterized by streaming granular ectoplasm that among other things is used for catching food, often with a calcareous shell with many holes through which pseudopodia protrude”).

Recorded use

Wiktionary examples

These source excerpts show how foraminifera appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. This elegant Foraminifera has long been one of the best known of recent species; in its young state it is one of the most abundant organisms in the Cuban sand: in this immature form it appears a Foraminifera of the ordinary spiral type; […]
  2. By the slow accumulation of dead shells, corals, &c., cemented by the smaller tests of foraminifera, the Coralline Crag eventually attained a thickness of fifty feet.

Etymology

Learned borrowing from New Latin Foraminifera (subphylum name), from French foraminifère (“foraminifer, foraminifera”), from French Foraminifères, coined by the French naturalist Alcide d’Orbigny (1802–1857) in an 1826 article. Foraminifère is derived from Latin forāmina (“apertures, holes”) + -fer (“-bearing”).

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

Frequently Asked Questions

How do you spell "foraminifera"?
"foraminifera" is spelled F-O-R-A-M-I-N-I-F-E-R-A. The IPA pronunciation is /ˌfɒɹəmɪˈnɪfəɹə/.
What does "foraminifera" mean?
As a noun, "foraminifera" means: Synonym of foraminifer (“any of a large group of aquatic amoeboid protists of the subphylum Foraminifera, characterized by streaming granular ectoplasm that among other things is used for catching ...
How do you pronounce "foraminifera"?
The IPA (International Phonetic Alphabet) transcription for "foraminifera" is /ˌfɒɹəmɪˈnɪfəɹə/. 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 "foraminifera"?
Learned borrowing from New Latin Foraminifera (subphylum name), from French foraminifère (“foraminifer, foraminifera”), from French Foraminifères, coined by the French naturalist Alcide d’Orbigny (1802–1857) in an 1826 article. Foraminifère is der... See the full etymology section above for more details.
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Similar English words by spelling shape

Same letter count and similar misspelling depth for "foraminifera", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

geophysicist#83,280haberdashery#83,311discourteous#83,190harmonically#83,324

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list