nuclearvsnúcleoWhat's the difference?

Quick tell: nuclear is a adjective, núcleo is a noun, so they fill different roles in a sentence.

Which to use

“nuclear” is an adjective and “núcleo” is a noun - they look or sound alike but fill different roles in a sentence.

#3,498
“nuclear” frequency rank
#4,732
“núcleo” frequency rank
8230
confusion score

Side-by-Side Comparison

Feature nuclear núcleo
Definition Propio o relativo al núcleo. Lo que está en el medio de algo, parte central o medular.

Where the spellings diverge

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

7 ch
nuclear
6 ch
núcleo

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: nuclear is [nukleˈaɾ] while núcleo is [ˈnukleo]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 8230, derived from the frequency rank of both members and their visual similarity.

nuclear is recorded at frequency rank #3,498, classified as anadj, pronounced [nukleˈaɾ]. núcleo is at rank #4,732, tagged as anoun, pronounced [ˈnukleo].

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 8230, this pair ranks #305,624 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of nuclear vs núcleo

Shared letters: celn. Private to "nuclear": aru. Private to "núcleo": .

"nuclear" · 7 letters · shape CVCCVVC  ·  "núcleo" · 6 letters · shape CVCCVV

Known mistypes of this pair

  • nuclearnculear · nnuclear · nucclear · nucelar · nuclaer · nuclearr · nuclera · nucllear

Frequency comparison

nuclear#3,498
núcleo#4,732

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "nuclear" and "núcleo" be used interchangeably?
No - they are not even the same part of speech. "nuclear" is an adjective and "núcleo" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "nuclear" or "núcleo"?
"nuclear" is the more common of the two: it sits at frequency rank #3,498 in our Spanish list, against #4,732 for "núcleo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering nuclear vs núcleo

The fastest way to pick the right one every time.

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