filthiest
"filthiest" is a 9-letter English headword indexed on PlainSpell.
The verdict
“filthiest” is uncommon English (frequency #85,248 among 2,507 “F” headwords), classed as an adjective. The kind of spelling people second-guess.
- #85,248
- frequency rank, English
- 2,507
- “F” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - superlative form of filthy: most filthy
Corpus desk
Index EN-filthiest · filthiest · English
filthiest · rank #85,248 · 0 variants · 0 confusables
- FREQ-RARE #85,248
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,507
- PHOTO-FINISH fister
Nearest frequency peer: fister (+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 “filthiest”
Sparse band: bars invert rank so rarer forms read shorter
- Feild
Feild
14,756 corpus weight
- fenugreek
fenugreek
14,755 corpus weight
- filthiest
filthiest
14,753 corpus weight
- fister
fister
14,752 corpus weight
- Flanigan
Flanigan
14,748 corpus weight
- flatland
flatland
14,746 corpus weight
What this shows Long-tail view: where “filthiest” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | filthiest |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Frequency rank | #85,248 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “filthiest” in English
Rare enough to double-check
filthiest is uncommon English at frequency #85,248 among 2,507 “F” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "superlative form of filthy: most filthy".
No generated misspelling entries exist for filthiest in our index, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is filthiest, spelled F-I-L-T-H-I-E-S-T.
Definition
- 1superlative form of filthy: most filthy
Recorded use
Wiktionary examplesThese source excerpts show how filthiest appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Tunnels often feature in fictional journeys, so I will end with quotations from a fairly recent novel, Howard Spring's "Fame is the Spur", published in 1940, in which there is a journey from Manchester to Bradford via the Calder Valley route: "Ay, we're going through Todmorden. We'll soon be in t' tunnel, and when we get to t' other end we'll be in Yorksh…
Otherwise, overseas coking coal will be moved to the UK by bulk ocean carrier, which are among the filthiest polluting objects on the face of the Earth we seek to protect.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "filthiest", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).