rápidasvsrapidezWhat's the difference?

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

Which to use

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

#12,246
“rápidas” frequency rank
#7,774
“rapidez” frequency rank
20020
confusion score

Side-by-Side Comparison

Feature rápidas rapidez
Definition Forma del femenino plural de rápido. Condición o carácter de rápido.

Where the spellings diverge

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

7 ch
rápidas
7 ch
rapidez

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: rápidas is [ˈrapið̞as] while rapidez is [rapiˈð̞es]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20020, derived from the frequency rank of both members and their visual similarity.

rápidas is recorded at frequency rank #12,246, classified as anadj, pronounced [ˈrapið̞as]. rapidez is at rank #7,774, tagged as anoun, pronounced [rapiˈð̞es].

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 20020, this pair ranks #261,155 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of rápidas vs rapidez

Shared letters: adipr. Private to "rápidas": . Private to "rapidez": ez.

"rápidas" · 7 letters · shape CVCVCVC  ·  "rapidez" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • rapidezarpidez · raipdez · rapdiez · rapiddez · rapidezz · rapidze · rapiedz · rappidez

Frequency comparison

rápidas#12,246
rapidez#7,774

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "rápidas" and "rapidez" be used interchangeably?
No - they are not even the same part of speech. "rápidas" is an adjective and "rapidez" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "rápidas" or "rapidez"?
"rapidez" is the more common of the two: it sits at frequency rank #7,774 in our Spanish list, against #12,246 for "rápidas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering rápidas vs rapidez

The fastest way to pick the right one every time.

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