diagnosticarvsdiagnósticoWhat's the difference?

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

Which to use

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

#27,193
“diagnosticar” frequency rank
#4,781
“diagnóstico” frequency rank
31974
confusion score

Side-by-Side Comparison

Feature diagnosticar diagnóstico
Definition Recabar y analizar información o datos para identificar y evaluar problemas de naturaleza diferente Reconocimiento de enfermedad sobre la base de sus síntomas, el examen médico y los resultados de los análisis de laboratorio.

Where the spellings diverge

Shared letters are muted; the letters that actually set diagnosticar and diagnóstico apart are highlighted. They share 9 letters in sequence, which is exactly why the eye skips the difference.

12 ch
diagnosticar
11 ch
diagnóstico

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: diagnosticar is [d̪jaɣ̞nost̪iˈkaɾ] while diagnóstico is [d̪jaɣ̞ˈnost̪iko]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 31974, derived from the frequency rank of both members and their visual similarity.

diagnosticar is recorded at frequency rank #27,193, classified as averb, pronounced [d̪jaɣ̞nost̪iˈkaɾ]. diagnóstico is at rank #4,781, tagged as anoun, pronounced [d̪jaɣ̞ˈnost̪iko].

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 31974, this pair ranks #204,364 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of diagnosticar vs diagnóstico

Shared letters: acdginost. Private to "diagnosticar": r. Private to "diagnóstico": ó.

"diagnosticar" · 12 letters · shape CVVCCVCCVCVC  ·  "diagnóstico" · 11 letters · shape CVVCCVCCVCV

Known mistypes of this pair

  • diagnosticardaignosticar · ddiagnosticar · diaggnosticar · diagnnosticar · diagnositcar · diagnossticar · diagnostciar · diagnostiacr

Frequency comparison

diagnosticar#27,193
diagnóstico#4,781

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "diagnosticar" and "diagnóstico" be used interchangeably?
No - they are not even the same part of speech. "diagnosticar" is a verb and "diagnóstico" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "diagnosticar" or "diagnóstico"?
"diagnóstico" is the more common of the two: it sits at frequency rank #4,781 in our Spanish list, against #27,193 for "diagnosticar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering diagnosticar vs diagnóstico

The fastest way to pick the right one every time.

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