lockbox
"lockbox" is a 7-letter English headword indexed on PlainSpell.
The verdict
“lockbox” is uncommon English (frequency #76,068 among 2,297 “L” headwords), classed as a noun. The kind of spelling people second-guess.
- #76,068
- frequency rank, English
- 2,297
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A box with a built-in lock; usually, a portable one.
Corpus desk
Index EN-lockbox · lockbox · English
lockbox · rank #76,068 · 0 variants · 0 confusables
- FREQ-RARE #76,068
- LEN-LONG 7 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,297
- PHOTO-FINISH locomotor
Nearest frequency peer: locomotor (+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 “lockbox”
Sparse band: bars invert rank so rarer forms read shorter
- lightnings
lightnings
23,938 corpus weight
- Liguria
Liguria
23,937 corpus weight
- Lindisfarne
Lindisfarne
23,936 corpus weight
- lockbox
lockbox
23,933 corpus weight
- locomotor
locomotor
23,932 corpus weight
- loincloth
loincloth
23,931 corpus weight
What this shows Long-tail view: where “lockbox” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | lockbox |
| Language | English |
| Part of speech | Noun |
| Letters | 7 |
| Frequency rank | #76,068 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “lockbox” in English
Rare enough to double-check
lockbox is uncommon English at frequency #76,068 among 2,297 “L” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A box with a built-in lock; usually, a portable one.".
No misspelling variants are generated for lockbox in our index, since its letter pattern doesn't lend itself to common typo substitutions. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From lock + box. The correct English form is lockbox, spelled L-O-C-K-B-O-X.
Definition
- 1A box with a built-in lock; usually, a portable one.
Recorded use
Wiktionary exampleThese source excerpts show how lockbox appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Petric used his father's key to open a lockbox and remove a 9mm handgun and the game.
Etymology
From lock + box.
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 "lockbox", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).