achvsactWhat's the difference?

Quick tell: ach is a intj, act is a verb, so they fill different roles in a sentence.

Which to use

“ach” is an intj and “act” is a verb - they look or sound alike but fill different roles in a sentence.

#48,212
“ach” frequency rank
#9,948
“act” frequency rank
58160
confusion score

Side-by-Side Comparison

Feature ach act
Definition oh agir

Where the spellings diverge

Shared letters are muted; the letters that actually set ach and act apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
ach
3 ch
act

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ach is anintj and actaverb. On the page they differ by a single letter - h in “ach” becomes t in “act”. Our composite confusion score for this pair is 58160, derived from the frequency rank of both members and their visual similarity.

ach is recorded at frequency rank #48,212, classified as anintj. act is at rank #9,948, tagged as averb.

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 58160, this pair ranks #8,911 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ach vs act

Shared letters: ac. Private to "ach": h. Private to "act": t.

"ach" · 3 letters · shape VCC  ·  "act" · 3 letters · shape VCC

Frequency comparison

ach#48,212
act#9,948

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ach" and "act" be used interchangeably?
No - they are not even the same part of speech. "ach" is an intj and "act" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ach" or "act"?
"act" is the more common of the two: it sits at frequency rank #9,948 in our Portuguese list, against #48,212 for "ach". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering ach vs act

The fastest way to pick the right one every time.

  • Check the role first: if you need an intj, it's “ach”; for a verb, it's “act”.
  • 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