filthy rich
"filthy-rich" is a 10-letter English headword indexed on PlainSpell.
The verdict
“filthy rich” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Very rich (wealthy).
| Property | Value |
|---|---|
| Headword | filthy rich |
| Language | English |
| Part of speech | Adjective |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “filthy rich” sits in English frequency
Spelling & Dictionary Insight
The English entry for filthy rich is 11 letters long, classified as an adjective. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Very rich (wealthy).".
No generated misspelling entries exist for filthy rich in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From filthy lucre. The correct English form is filthy rich, spelled F-I-L-T-H-Y- -R-I-C-H.
Definition
- 1Very rich (wealthy).
Etymology
From filthy lucre.
Antonyms
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). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “filthy rich”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is F-I-L-T-H-Y- -R-I-C-H - every other letter order is a misspelling in standard orthography.
- 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.