segundovsseguroWhat's the difference?

Quick tell: segundo is a num, seguro is an adjective, so they fill different roles in a sentence.

Which to use

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

#371
“segundo” frequency rank
#335
“seguro” frequency rank
706
confusion score

Side-by-Side Comparison

Feature segundo seguro
Definition Que ocurre o se encuentra después del primero en una serie. Ordinal del dos. Exento de riesgo o peligro.

Where the spellings diverge

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

7 ch
segundo
6 ch
seguro

Spelling & Dictionary Insight

segundo and seguro form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 706, derived from the frequency rank of both members and their visual similarity.

segundo is recorded at frequency rank #371, classified as anum, pronounced [seˈɣ̞ũn̪d̪o]. seguro is at rank #335, tagged as anadj, pronounced [seˈɣ̞uɾo].

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 706, this pair ranks #323,065 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

segundo#371
seguro#335

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "segundo" and "seguro" be used interchangeably?
No, "segundo" and "seguro" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering segundo vs seguro

The fastest way to pick the right one every time.

  • Check the role first: if you need a num, it's “segundo”; for an adjective, it's “seguro”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “segundo” 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 FrequencyWords open word-frequency list