acutevsastuteWhat's the difference?

Which to use

“acute” and “astute” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#7,091
“acute” frequency rank
#25,284
“astute” frequency rank
32375
confusion score

Side-by-Side Comparison

Feature acute astute
Definition Brief, quick, short. Quickly and critically discerning.

Where the spellings diverge

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

5 ch
acute
6 ch
astute

Spelling & Dictionary Insight

A purely visual mix-up. acute (/əˈkjuːt/) and astute (/əsˈtjuːt/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 32375, derived from the frequency rank of both members and their visual similarity.

acute is recorded at frequency rank #7,091, classified as anadj, pronounced /əˈkjuːt/. astute is at rank #25,284, tagged as anadj, pronounced /əsˈtjuːt/.

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 32375, this pair ranks #338,303 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acute vs astute

Shared letters: aetu. Private to "acute": c. Private to "astute": s.

"acute" · 5 letters · shape VCVCV  ·  "astute" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • acuteaccute · actue · acuet · acutte · aucte · caute
  • astuteasstute · asttue · asttute · astuet · astutte · asutte · atsute · satute

Frequency comparison

acute#7,091
astute#25,284

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "acute" and "astute" be used interchangeably?
No. They are said differently (/əˈkjuːt/ versus /əsˈtjuːt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "acute" or "astute"?
"acute" is the more common of the two: it sits at frequency rank #7,091 in our English list, against #25,284 for "astute". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering acute vs astute

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “acute” 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