borehole
"borehole" is a 8-letter English headword indexed on PlainSpell.
The verdict
“borehole” is uncommon English (frequency #50,396 among 4,121 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #50,396
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A hole bored into the ground to collect samples for analysis or to extract oil or water.
Corpus desk
Index EN-borehole · borehole · English
borehole · rank #50,396 · 0 variants · 0 confusables
- FREQ-RARE #50,396
- LEN-LONG 8 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH bosque
Nearest frequency peer: bosque (+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 “borehole”
Sparse band: bars invert rank so rarer forms read shorter
- blotting
blotting
49,609 corpus weight
- blunted
blunted
49,608 corpus weight
- borehole
borehole
49,605 corpus weight
- bosque
bosque
49,604 corpus weight
- bouillon
bouillon
49,603 corpus weight
- Bourdain
Bourdain
49,602 corpus weight
What this shows Long-tail view: where “borehole” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | borehole |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Frequency rank | #50,396 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “borehole” in English
Rare enough to double-check
borehole is uncommon English at frequency #50,396 among 4,121 “B” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for borehole, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From bore + hole. The correct English form is borehole, spelled B-O-R-E-H-O-L-E.
Definition
- 1A hole bored into the ground to collect samples for analysis or to extract oil or water.
- 2Any other hole that has been bored into something.
Recorded use
Wiktionary examplesThese source excerpts show how borehole appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Near-synonym: well
The state of the groundwater is monitored at various boreholes in the area.
Etymology
From bore + hole.
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 "borehole", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).