achevsacuteWhat's the difference?

Quick tell: ache is a verb, acute is an adjective, so they fill different roles in a sentence.

Which to use

“ache” is a verb and “acute” is an adjective - they look or sound alike but fill different roles in a sentence.

#16,397
“ache” frequency rank
#7,091
“acute” frequency rank
23488
confusion score

Side-by-Side Comparison

Feature ache acute
Definition To suffer pain; to be the source of, or be in, pain, especially continued dull pain; to be distressed. Brief, quick, short.

Where the spellings diverge

Shared letters are muted; the letters that actually set ache and acute apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

4 ch
ache
5 ch
acute

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: ache is /ˈeɪk/ while acute is /əˈkjuːt/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 23488, derived from the frequency rank of both members and their visual similarity.

ache is recorded at frequency rank #16,397, classified as averb, pronounced /ˈeɪk/. acute is at rank #7,091, tagged as anadj, pronounced /əˈkjuːt/.

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 23488, this pair ranks #408,890 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ache vs acute

Shared letters: ace. Private to "ache": h. Private to "acute": tu.

"ache" · 4 letters · shape VCCV  ·  "acute" · 5 letters · shape VCVCV

Known mistypes of this pair

  • acheachhe · ahce · cahe
  • acuteaccute · actue · acuet · acutte · aucte · caute

Frequency comparison

ache#16,397
acute#7,091

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ache" and "acute" be used interchangeably?
No - they are not even the same part of speech. "ache" is a verb and "acute" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ache" or "acute"?
"acute" is the more common of the two: it sits at frequency rank #7,091 in our English list, against #16,397 for "ache". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering ache vs acute

The fastest way to pick the right one every time.

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