Which to use
“ACLU” is a name and “APL” is a noun - they look or sound alike but fill different roles in a sentence.
- #21,127
- “ACLU” frequency rank
- #48,593
- “APL” frequency rank
- 69720
- confusion score
Side-by-Side Comparison
| Feature | ACLU | APL |
|---|---|---|
| Definition | Initialism of American Civil Liberties Union. | Initialism of acute promyelocytic leukemia. |
Letter map: ACLU vs APL
Shared letters muted; letters that set ACLU and APL apart highlighted. Shared run: 2.
Part-of-speech tell for ACLU / APL
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ACLU is aname and APLanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 69720, derived from the frequency rank of both members and their visual similarity.
ACLU is recorded at frequency rank #21,127, classified as aname. APL is at rank #48,593, tagged as anoun.
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 69720, this pair ranks #53,391 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ACLU vs APL
Shared letters: al. Private to "ACLU": cu. Private to "APL": p.
"ACLU" · 4 letters · shape VCCV · "APL" · 3 letters · shape VCC
Known mistypes of this pair
- ACLU ← acclu · acllu · acul · alcu · calu
Frequently Asked Questions
Is swapping "ACLU" for "APL" ever safe?
Which is more common, "ACLU" or "APL"?
What to do next
Pair "ACLU" vs "APL" is on the table, pick a follow-up below.
- Full dictionary entry for "ACLU" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "APL" - compare definitions side by side with the headword page. Word entry
- This pair ranks #53,391 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ACLU" and "APL" also get mixed up with nearby pairs, the highest-scored neighbour is "amb vs APL". 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 #53,391 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.