Banach
/ˈba.nak/
"banach" is a 6-letter English headword indexed on PlainSpell.
The verdict
“Banach” is uncommon English (frequency #58,535 among 4,121 “B” headwords), classed as an adjective. The kind of spelling people second-guess.
- #58,535
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - being a Banach space
Corpus desk
Index EN-banach · Banach · English
Banach · rank #58,535 · 0 variants · 0 confusables
- FREQ-RARE #58,535
- LEN-LONG 6 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH balustrade
Nearest frequency peer: balustrade (-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 “Banach”
Sparse band: bars invert rank so rarer forms read shorter
- backless
backless
41,471 corpus weight
- Ballinger
Ballinger
41,468 corpus weight
- balustrade
balustrade
41,467 corpus weight
- Banach
Banach
41,466 corpus weight
- Barbuda
Barbuda
41,465 corpus weight
- Barents
Barents
41,464 corpus weight
What this shows Long-tail view: where “Banach” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | Banach |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈba.nak/ |
| Letters | 6 |
| Frequency rank | #58,535 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Banach” in English
Rare enough to double-check
Banach is uncommon English at frequency #58,535 among 4,121 “B” headwords, classed as anadjective, transcribed /ˈba.nak/. Rarity is why readers land here mid-draft. Gloss: "being a Banach space".
Banach has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
No borrowing history is documented for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is Banach, spelled B-A-N-A-C-H.
Definition
- 1being a Banach space
Recorded use
Wiktionary examplesThese source excerpts show how Banach appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
To show that Y is Banach, let {yₙ} be a Cauchy sequence in Y.
... but if E is Banach, then ...
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 "Banach", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 6 letters (nearest by frequency rank).