billónvsbrillanWhat's the difference?

Quick tell: billón is a noun, brillan is a verb, so they fill different roles in a sentence.

Which to use

“billón” is a noun and “brillan” is a verb - they look or sound alike but fill different roles in a sentence.

#24,401
“billón” frequency rank
#20,286
“brillan” frequency rank
44687
confusion score

Side-by-Side Comparison

Feature billón brillan
Definition Un millón de millones, el número 1 000 000 000 000, 10¹². Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de brillar.

Where the spellings diverge

Shared letters are muted; the letters that actually set billón and brillan apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

6 ch
billón
7 ch
brillan

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: billón is [biˈʝõn] while brillan is [ˈbɾiʝãn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 44687, derived from the frequency rank of both members and their visual similarity.

billón is recorded at frequency rank #24,401, classified as anoun, pronounced [biˈʝõn]. brillan is at rank #20,286, tagged as averb, pronounced [ˈbɾiʝãn].

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 44687, this pair ranks #135,663 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of billón vs brillan

Shared letters: biln. Private to "billón": ó. Private to "brillan": ar.

"billón" · 6 letters · shape CVCCVC  ·  "brillan" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • brillanbbrillan · birllan · brilaln · brilan · brillann · brillna · brlilan · brrillan

Frequency comparison

billón#24,401
brillan#20,286

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "billón" and "brillan" be used interchangeably?
No - they are not even the same part of speech. "billón" is a noun and "brillan" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "billón" or "brillan"?
"brillan" is the more common of the two: it sits at frequency rank #20,286 in our Spanish list, against #24,401 for "billón". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering billón vs brillan

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “billón”; for a verb, it's “brillan”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “billón” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list