filbert

/ˈfɪlbət/

//ˈfɪlbət// noun

"filbert" is a 7-letter English headword indexed on PlainSpell.

The verdict

“filbert” is uncommon English (frequency #77,676 among 2,507 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#77,676
frequency rank, English
2,507
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The hazelnut.

Corpus desk

Index EN-filbert · filbert · English

filbert · rank #77,676 · 0 variants · 0 confusables

  • FREQ-RARE #77,676
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH FIF

Nearest frequency peer: FIF (-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 “filbert”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for filbert
PropertyValue
Headwordfilbert
LanguageEnglish
Part of speechNoun
IPA/ˈfɪlbət/
Letters7
Frequency rank#77,676
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “filbert” 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).filbertfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “FIF” (#77,675), “fing” (#77,677), “fescue” (#77,674). Among 2,507 “F” headwords, “filbert” is #77,676. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

filbert is uncommon English at frequency #77,676 among 2,507 “F” headwords, classed as anoun, transcribed /ˈfɪlbət/. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for filbert, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Earlier filbert-nut, Philibert-nut, from Middle English filbert-note, from Anglo-Norman noix de filbert, so named because they are ripe near Saint Philibert’s Day. The correct English form is filbert, spelled F-I-L-B-E-R-T.

Definition

  1. 1
    The hazelnut.
  2. 2
    The hazel tree.
  3. 3
    A paintbrush used in oil and acrylic painting with a long ferrule and a curving, tongue-shaped head.

Recorded use

Wiktionary examples

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

  1. I'll bring thee / To clust'ring filberts, and sometimes I'll get thee / Young scamels from the rock.
  2. I've seen one monkey force open the jaws of his brother, resolutely introduce his fingers, pluck from the sanctuary of his cheek the filbert he had just stowed there for his private nutrition and delight, and crunch and eat it with a stern ecstasy of selfishness, himself […]

Etymology

Earlier filbert-nut, Philibert-nut, from Middle English filbert-note, from Anglo-Norman noix de filbert, so named because they are ripe near Saint Philibert’s Day.

Synonyms

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 "filbert"?
"filbert" is spelled F-I-L-B-E-R-T. The IPA pronunciation is /ˈfɪlbət/.
What does "filbert" mean?
As a noun, "filbert" means: The hazelnut.
How do you pronounce "filbert"?
The IPA (International Phonetic Alphabet) transcription for "filbert" is /ˈfɪlbət/. 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 "filbert"?
Earlier filbert-nut, Philibert-nut, from Middle English filbert-note, from Anglo-Norman noix de filbert, so named because they are ripe near Saint Philibert’s Day. 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 "filbert", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list