fierceness

noun

"fierceness" is a 10-letter English headword indexed on PlainSpell.

The verdict

“fierceness” is uncommon English (frequency #73,180 among 2,507 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#73,180
frequency rank, English
2,507
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state of being fierce.

Corpus desk

Index EN-fierceness · fierceness · English

fierceness · rank #73,180 · 0 variants · 0 confusables

  • FREQ-RARE #73,180
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH ferryman

Nearest frequency peer: ferryman (-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 “fierceness”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for fierceness
PropertyValue
Headwordfierceness
LanguageEnglish
Part of speechNoun
Letters10
Frequency rank#73,180
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “fierceness” 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).fiercenessfalls 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: “ferryman” (#73,179), “ferruginous” (#73,178), “fishtail” (#73,183). Among 2,507 “F” headwords, “fierceness” is #73,180. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fierceness is uncommon English at frequency #73,180 among 2,507 “F” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The state of being fierce.".

fierceness doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From Middle English fersnesse; equivalent to fierce + -ness. The correct English form is fierceness, spelled F-I-E-R-C-E-N-E-S-S.

Definition

  1. 1
    The state of being fierce.

Recorded use

Wiktionary examples

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

  1. I stroked it gently, on which the mutinous rogue seemed to swell, and gather a new degree of fierceness and insolence; so that finding it grew not to be trifled with any longer, I prepar'd for rubbers in good earnest.
  2. Travellers over the London & North Western main line in bygone days will need no reminder of the pattering of cinders on the carriage roofs, the fountains of sparks from the chimneys at night and the distance from which the exhaust of approaching locomotives could be heard, due to the fierceness of their blast in such conditions.

Etymology

From Middle English fersnesse; equivalent to fierce + -ness.

Synonyms

This word in other languages

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 "fierceness"?
"fierceness" is spelled F-I-E-R-C-E-N-E-S-S.
What does "fierceness" mean?
As a noun, "fierceness" means: The state of being fierce.
What is the origin of the word "fierceness"?
From Middle English fersnesse; equivalent to fierce + -ness. 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 "fierceness", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list