segúnvssegundoWhat's the difference?

Quick tell: según is a preposition, segundo is a num, so they fill different roles in a sentence.

Which to use

“según” is a preposition and “segundo” is a num - they look or sound alike but fill different roles in a sentence.

#196
“según” frequency rank
#371
“segundo” frequency rank
567
confusion score

Side-by-Side Comparison

Feature según segundo
Definition Conforme con, con arreglo a. Que ocurre o se encuentra después del primero en una serie. Ordinal del dos.

Where the spellings diverge

Shared letters are muted; the letters that actually set según and segundo apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

5 ch
según
7 ch
segundo

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: según is [seˈɣ̞ũn] while segundo is [seˈɣ̞ũn̪d̪o]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (preposition vs num), which is usually the fastest check. Our composite confusion score for this pair is 567, derived from the frequency rank of both members and their visual similarity.

según is recorded at frequency rank #196, classified as aprep, pronounced [seˈɣ̞ũn]. segundo is at rank #371, tagged as anum, pronounced [seˈɣ̞ũn̪d̪o].

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 567, this pair ranks #323,257 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of según vs segundo

Shared letters: egns. Private to "según": ú. Private to "segundo": dou.

"según" · 5 letters · shape CVCVC  ·  "segundo" · 7 letters · shape CVCVCCV

Known mistypes of this pair

  • segundocegundo · esgundo · seggundo · segnudo · segudno · segunddo · segunndo · segunod

Frequency comparison

según#196
segundo#371

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "según" and "segundo" be used interchangeably?
No - they are not even the same part of speech. "según" is a preposition and "segundo" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "según" or "segundo"?
"según" is the more common of the two: it sits at frequency rank #196 in our Spanish list, against #371 for "segundo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering según vs segundo

The fastest way to pick the right one every time.

  • Check the role first: if you need a preposition, it's “según”; for a num, it's “segundo”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “según” 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