fossil

/ˈfɒsl̩/

//ˈfɒsl̩// noun

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

The verdict

“fossil” is a regularly-used English word, ranked #7,228 in English word frequency and used as a noun.

#7,228
frequency rank, English
6
letters
7
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The mineralized remains of an animal or plant.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

fossil vs FOIL
0% similar
fossil vs FOSS
0% similar
fossil vs fossa
67% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for fossil
PropertyValue
Headwordfossil
LanguageEnglish
Part of speechNoun
IPA/ˈfɒsl̩/
Letters6
Frequency rank#7,228
Misspellings tracked7
Confusable pairs4
SourceWiktionary (kaikki.org)

Where “fossil” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). fossil lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for fossil is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈfɒsl̩/. Corpus data places it at rank #7,228 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 7 likely wrong-spelling variants for fossil, with forms such as "ffossil", "fosil", and "fosisl". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 4 confusable-pair relationships, "FOIL", "FOSS", "fossa", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From French fossile, from Latin fossilis (“something which has been dug up”), from fodio (“to dig up”). The correct English form is fossil, spelled F-O-S-S-I-L.

Definition

  1. 1
    The mineralized remains of an animal or plant.
  2. 2
    Any preserved evidence of ancient life, including shells, imprints, burrows, coprolites, and organically-produced chemicals.
  3. 3
    A fossil word.
  4. 4
    Anything extremely old, extinct, or outdated.
  5. 5
    An extremely old or outdated person.

Etymology

From French fossile, from Latin fossilis (“something which has been dug up”), from fodio (“to dig up”).

This word in other languages

Common misspellings

Also misspelled as: ffossil,fosil,fosisl,fossill,fossli,fsosil,ofssil

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of fossil - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ffossil1fosil1fosisl2fossill1fossli2fsosil2ofssil2
Edit distance from "fossil"

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 "fossil"?
"fossil" is spelled F-O-S-S-I-L. The IPA pronunciation is /ˈfɒsl̩/.
What does "fossil" mean?
As a noun, "fossil" means: The mineralized remains of an animal or plant.
What words are commonly confused with "fossil"?
"fossil" is commonly confused with "FOIL", "FOSS", "fossa". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "fossil"?
The IPA (International Phonetic Alphabet) transcription for "fossil" is /ˈfɒsl̩/. 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 "fossil"?
From French fossile, from Latin fossilis (“something which has been dug up”), from fodio (“to dig up”). 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 “fossil”

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

  • The one correct English spelling is F-O-S-S-I-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈfɒsl̩/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “FOIL” - see the side-by-side comparison. fossil vs FOIL
  • Browse more English words and confusable pairs in the same reference. English words
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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list