achvsachesWhat's the difference?

Which to use

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

#30,673
“ach” frequency rank
#20,025
“aches” frequency rank
50698
confusion score

Side-by-Side Comparison

Feature ach aches
Definition Any of several species of plants, such as smallage, wild celery, parsley. plural of ache

Where the spellings diverge

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

3 ch
ach
5 ch
aches

Spelling & Dictionary Insight

A purely visual mix-up. ach (/æt͡ʃ/) and aches (/eɪks/) 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 2 extra letter(s) - “ach” sits inside “aches”. Our composite confusion score for this pair is 50698, derived from the frequency rank of both members and their visual similarity.

ach is recorded at frequency rank #30,673, classified as anoun, pronounced /æt͡ʃ/. aches is at rank #20,025, tagged as anoun, pronounced /eɪks/.

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 50698, this pair ranks #171,957 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ach vs aches

Shared letters: ach. Private to "ach": -. Private to "aches": es.

"ach" · 3 letters · shape VCC  ·  "aches" · 5 letters · shape VCCVC

Known mistypes of this pair

  • achesacches · acehs · achess · achhes · achse · ahces · cahes

Frequency comparison

ach#30,673
aches#20,025

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ach" and "aches" be used interchangeably?
No. They are said differently (/æt͡ʃ/ versus /eɪks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ach" or "aches"?
"aches" is the more common of the two: it sits at frequency rank #20,025 in our English list, against #30,673 for "ach". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering ach vs aches

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 “ach” 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