ACLUvsallWhat's the difference?

Quick tell: ACLU is a name, all is a determiner, so they fill different roles in a sentence.

Which to use

“ACLU” is a name and “all” is a determiner - they look or sound alike but fill different roles in a sentence.

#21,127
“ACLU” frequency rank
#32
“all” frequency rank
21159
confusion score

Side-by-Side Comparison

Feature ACLU all
Definition Initialism of American Civil Liberties Union. Every individual or anything of the given class, with no exceptions (the noun or noun phrase denoting the class must be plural or uncountable).

Letter map: ACLU vs all

Shared letters muted; letters that set ACLU and all apart highlighted. Shared run: 2.

4 ch
ACLU
3 ch
all

Part-of-speech tell for ACLU / all

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ACLU is aname and alladeterminer. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 21159, derived from the frequency rank of both members and their visual similarity.

ACLU is recorded at frequency rank #21,127, classified as aname. all is at rank #32, tagged as adet, pronounced /ɔːl/.

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 21159, this pair ranks #425,948 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ACLU vs all

Shared letters: al. Private to "ACLU": cu. Private to "all": -.

"ACLU" · 4 letters · shape VCCV  ·  "all" · 3 letters · shape VCC

Known mistypes of this pair

  • ACLUacclu · acllu · acul · alcu · calu

Frequently Asked Questions

Is swapping "ACLU" for "all" ever safe?
No - they are not even the same part of speech. "ACLU" is a name and "all" a determiner, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ACLU" vs "all" - which ranks higher?
"all" is the more common of the two: it sits at frequency rank #32 in our English list, against #21,127 for "ACLU". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "ACLU" and "all". Here's where to go from here.

  • Full dictionary entry for "ACLU" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "all" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #425,948 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ACLU" and "all" also get mixed up with nearby pairs, the highest-scored neighbour is "ACLU vs alc". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #425,948 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