vested interest
Detailed reference entry for the English word "vested-interest", 15-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Wiktionary, and usage frequency ranked against an open word-frequency list covering the top 100,000 English words. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "vested-interest" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "vested-interest" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.
The verdict
“vested interest” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 15
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An indefeasible right or title, distinguished from a contingent interest, which could be defeated (i.e. cease) if a certain event occurred.
Compare similar words
See how vested interest compares against similar English words.
Browse all word comparisons →| Property | Value |
|---|---|
| Headword | vested interest |
| Language | English |
| Part of speech | Noun |
| Letters | 15 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “vested interest” sits in English frequency
Spelling & Dictionary Insight
The English entry for vested interest is 15 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for vested interest in our index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Popularized in sociology by Thorstein Veblen, The Vested Interests and the Common Man (1919). But used earlier, e.g. by Winston Churchill: * 1899, Winston Churchill, The River War, an Account of the Reconquest of the Sudan, page 15: The name of the General … Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is vested interest, spelled V-E-S-T-E-D- -I-N-T-E-R-E-S-T, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1An indefeasible right or title, distinguished from a contingent interest, which could be defeated (i.e. cease) if a certain event occurred.
- 2A fixed right granted to an employee, especially under a pension plan.
- 3A stake, often financial, in a particular outcome.
- 4A group of people or organizations with such a stake, especially those that seek to control an existing system or activity from which they derive benefit.
- 5An exceptionally strong interest in protecting or promoting something to one's own advantage.
Etymology
Popularized in sociology by Thorstein Veblen, The Vested Interests and the Common Man (1919). But used earlier, e.g. by Winston Churchill: * 1899, Winston Churchill, The River War, an Account of the Reconquest of the Sudan, page 15: The name of the General was a sufficient guarantee that the slave trade was being earnestly attacked. The Khedive would gladly have stopped at the guarantee, and satisfied the world without disturbing 'vested interests.' But...
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.
Cite this page
Free to reuse with attribution (CC BY-SA). Copy the citation:
PlainSpell, “vested interest, English word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/en/word/vested-interest
Frequently Asked Questions
How do you spell "vested interest"?
What does "vested interest" mean?
What is the origin of the word "vested interest"?
Is PlainSpell free to use?
Using “vested interest”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is V-E-S-T-E-D- -I-N-T-E-R-E-S-T - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Nearby English words
Other entries that begin with the letter V in our English index: