achvsalbWhat's the difference?

Which to use

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

#30,673
“ach” frequency rank
#45,776
“alb” frequency rank
76449
confusion score

Side-by-Side Comparison

Feature ach alb
Definition Any of several species of plants, such as smallage, wild celery, parsley. A long, white robe worn by priests and other ministers, underneath most of the other vestments.

Where the eye mixes ach and alb

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. ach and alb follow the identical consonant-vowel pattern (VCC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
ach
3 ch
alb

Why the eye confuses ach with alb

A purely visual mix-up. ach (/æt͡ʃ/) and alb (/ˈælb/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 76449, 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/. alb is at rank #45,776, tagged as anoun, pronounced /ˈælb/.

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 76449, this pair ranks #30,102 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of ach vs alb

Shared letters: a. Private to "ach": ch. Private to "alb": bl.

"ach" · 3 letters · shape VCC  ·  "alb" · 3 letters · shape VCC

Frequently Asked Questions

Can "ach" and "alb" be used interchangeably?
No. They are said differently (/æt͡ʃ/ versus /ˈælb/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ach" or "alb"?
"ach" is the more common of the two: it sits at frequency rank #30,673 in our English list, against #45,776 for "alb". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "ach" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alb" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #30,102 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ach" and "alb" also get mixed up with nearby pairs, the highest-scored neighbour is "alb vs amb". Nearby pair

Confusion rank #30,102 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list