keyvskoWhat's the difference?

Quick tell: key is a noun, ko is a pronoun, so they fill different roles in a sentence.

Which to use

“key” is a noun and “ko” is a pronoun - they look or sound alike but fill different roles in a sentence.

#18,292
“key” frequency rank
#15,405
“ko” frequency rank
33697
confusion score

Side-by-Side Comparison

Feature key ko
Definition Llave. Este, esta. Pronombre y adjetivo demostrativo usado para una entidad presente.

Where the spellings diverge

Shared letters are muted; the letters that actually set key and ko apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
key
2 ch
ko

Spelling & Dictionary Insight

key and ko 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 33697, derived from the frequency rank of both members and their visual similarity.

key is recorded at frequency rank #18,292, classified as anoun, pronounced [kiː]. ko is at rank #15,405, tagged as apron, pronounced /ˈko/.

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 33697, this pair ranks #195,387 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Frequency comparison

key#18,292
ko#15,405

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "key" and "ko" be used interchangeably?
No, "key" and "ko" 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 key vs ko

The fastest way to pick the right one every time.

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