underused
"underused" is a 9-letter English headword indexed on PlainSpell.
The verdict
“underused” is uncommon English (frequency #55,836 among 23,789 “U” headwords), classed as an adjective. The kind of spelling people second-guess.
- #55,836
- frequency rank, English
- 23,789
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Used less than normal or desirable.
| Property | Value |
|---|---|
| Headword | underused |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Frequency rank | #55,836 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “underused” sits in English frequency
Rare enough to double-check
underused is uncommon English at frequency #55,836 among 23,789 “U” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Used less than normal or desirable.".
We couldn't generate a plausible misspelling set for underused, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.
Wiktionary doesn't record an etymology for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is underused, spelled U-N-D-E-R-U-S-E-D.
Definition
- 1Used less than normal or desirable.
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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Using “underused”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-N-D-E-R-U-S-E-D - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.