power supply
"power-supply" is a 11-letter English headword indexed on PlainSpell.
The verdict
“power supply” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Used other than figuratively or idiomatically: see power, supply.
| Property | Value |
|---|---|
| Headword | power supply |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “power supply” sits in English frequency
Rare enough to double-check
power supply is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
No generated misspelling entries exist for power supply in our index, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Wiktionary doesn't record an etymology for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is power supply, spelled P-O-W-E-R- -S-U-P-P-L-Y.
Definition
- 1Used other than figuratively or idiomatically: see power, supply.
- 2A source of power such as the mains or a generator.
- 3That part of a piece of electronic apparatus that provides appropriate voltages for the rest of the electronics from the connected AC source.
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 “power supply”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-O-W-E-R- -S-U-P-P-L-Y - 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.