fundus

/ˈfʌn.dəs/

//ˈfʌn.dəs// noun

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

"fundus" is a 6-letter English headword indexed on PlainSpell.

The verdict

“fundus” is uncommon English (frequency #92,627 among 2,507 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#92,627
frequency rank, English
2,507
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The large, hollow part of an organ farthest from an opening; especially:

Corpus desk

Index EN-fundus · fundus · English

fundus · rank #92,627 · 0 variants · 0 confusables

  • FREQ-RARE #92,627
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH Frommer

Nearest frequency peer: Frommer (-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 “fundus”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for fundus
PropertyValue
Headwordfundus
LanguageEnglish
Part of speechNoun
IPA/ˈfʌn.dəs/
Letters6
Frequency rank#92,627
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “fundus” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).fundusfalls 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: “Frommer” (#92,626), “fursona” (#92,628), “friable” (#92,624). Among 2,507 “F” headwords, “fundus” is #92,627. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fundus is uncommon English at frequency #92,627 among 2,507 “F” headwords, classed as anoun, transcribed /ˈfʌn.dəs/. Rarity is why readers land here mid-draft. 4 senses are on record.

Zero misspellings are on record for fundus in our index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: PIE word *bʰudʰmḗn From Latin fundus (“bottom”). Doublet of fond and fund. The correct English form is fundus, spelled F-U-N-D-U-S.

Definition

  1. 1
    The large, hollow part of an organ farthest from an opening; especially:
  2. 2
    The large, hollow part of an organ farthest from an opening; especially:
  3. 3
    The large, hollow part of an organ farthest from an opening; especially:
  4. 4
    The large, hollow part of an organ farthest from an opening; especially:

Etymology

PIE word *bʰudʰmḗn From Latin fundus (“bottom”). Doublet of fond and fund.

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 "fundus"?
"fundus" is spelled F-U-N-D-U-S. The IPA pronunciation is /ˈfʌn.dəs/.
What does "fundus" mean?
As a noun, "fundus" means: The large, hollow part of an organ farthest from an opening; especially:
How do you pronounce "fundus"?
The IPA (International Phonetic Alphabet) transcription for "fundus" is /ˈfʌn.dəs/. 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 "fundus"?
PIE word *bʰudʰmḗn From Latin fundus (“bottom”). Doublet of fond and fund. 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.

Similar English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Galpin#92,630Freyja#92,623Galvan#92,631flippy#92,616

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

Source: FrequencyWords open word-frequency list