BSL

name

"bsl" is a 3-letter English headword indexed on PlainSpell.

The verdict

“BSL” is uncommon English (frequency #59,250 among 31,241 “B” headwords), classed as a proper noun. The kind of spelling people second-guess.

#59,250
frequency rank, English
31,241
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of British Sign Language.

Key facts for BSL
PropertyValue
HeadwordBSL
LanguageEnglish
Part of speechProper noun
Letters3
Frequency rank#59,250
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “BSL” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). BSL lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

BSL is uncommon English at frequency #59,250 among 31,241 “B” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. 4 senses are on record.

Our edit-distance generator produced no likely misspellings for BSL, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Our source data has no etymology on file for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is BSL, spelled B-S-L.

Definition

  1. 1
    Initialism of British Sign Language.
  2. 2
    The station code of Bhusaval Junction railway station in India.
  3. 3
    Initialism of Business Source License.
  4. 4
    Initialism of Boost Software License.

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

How do you spell "BSL"?
"BSL" is spelled B-S-L.
What does "BSL" mean?
As a proper noun, "BSL" means: Initialism of British Sign Language.
What language does "BSL" come from?
"BSL" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “BSL”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-S-L - 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list