BTO
"bto" is a 3-letter English headword indexed on PlainSpell.
The verdict
“BTO” is uncommon English (frequency #86,091 among 4,121 “B” headwords), classed as an adjective. The kind of spelling people second-guess.
- #86,091
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of built to order.
Corpus desk
Index EN-bto · BTO · English
BTO · rank #86,091 · 0 variants · 0 confusables
- FREQ-RARE #86,091
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH bubbler
Nearest frequency peer: bubbler (+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 “BTO”
Sparse band: bars invert rank so rarer forms read shorter
- Broglie
Broglie
13,914 corpus weight
- brung
brung
13,912 corpus weight
- BTO
BTO
13,910 corpus weight
- bubbler
bubbler
13,909 corpus weight
- buckthorn
buckthorn
13,908 corpus weight
- buhl
buhl
13,907 corpus weight
What this shows Long-tail view: where “BTO” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | BTO |
| Language | English |
| Part of speech | Adjective |
| Letters | 3 |
| Frequency rank | #86,091 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “BTO” in English
Rare enough to double-check
BTO is uncommon English at frequency #86,091 among 4,121 “B” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.
We couldn't generate a plausible misspelling set for BTO, typically a sign the spelling maps closely to how the word sounds. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.
This entry's etymology isn't recorded, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is BTO, spelled B-T-O.
Definition
- 1Initialism of built to order.
- 2Initialism of build-to-order.
Recorded use
Wiktionary examplesThese source excerpts show how BTO appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
2016, Peter Lin, Asia One (Singapore), Should you apply for a HDB flat if you’re single and just turned 35?, 22 May (online). In 2013, over a decade after the BTO flat system was introduced, singles were finally allowed to buy subsidised flats directly from the HDB, but only two-room flats.
2017, Angela Tan, The Business Times (Singapore), Young couples can soon get their homes in Singapore sooner: HDB, 19 July (online). HDB will start construction of selected BTO projects ahead of their sales launch to cut the waiting time for young couples buying their first homes.
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 "BTO", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).