billvsblaTell them apart

Quick tell: bill is a noun, bla is an intj, so they fill different roles in a sentence.

Which to use

“bill” is a noun and “bla” is an intj - they look or sound alike but fill different roles in a sentence.

#729
“bill” frequency rank
#28,468
“bla” frequency rank
29197
confusion score

Side-by-Side Comparison

Feature bill bla
Definition A written list or inventory. (Now obsolete except in specific senses or set phrases; bill of lading, bill of goods, etc.) Alternative form of blah (“imitative of idle, meaningless talk”).

Letter map: bill vs bla

Shared letters muted; letters that set bill and bla apart highlighted. Shared run: 2.

4 ch
bill
3 ch
bla

Part-of-speech tell for bill / bla

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bill is anoun and blaanintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 29197, derived from the frequency rank of both members and their visual similarity.

bill is recorded at frequency rank #729, classified as anoun, pronounced /bɪl/. bla is at rank #28,468, tagged as anintj.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 29197, this pair ranks #365,018 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bill vs bla

Shared letters: bl. Private to "bill": i. Private to "bla": a.

"bill" · 4 letters · shape CVCC  ·  "bla" · 3 letters · shape CCV

Known mistypes of this pair

  • billbbill · bil · blil · ibll

Frequently Asked Questions

Is swapping "bill" for "bla" ever safe?
No - they are not even the same part of speech. "bill" is a noun and "bla" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "bill" or "bla" show up more?
"bill" is the more common of the two: it sits at frequency rank #729 in our English list, against #28,468 for "bla". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "bill" and "bla". Here's where to go from here.

  • Full dictionary entry for "bill" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bla" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #365,018 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bill" and "bla" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs bla". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #365,018 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list