Which to use
“APL” is a noun and “auld” is an adjective - they look or sound alike but fill different roles in a sentence.
- #48,593
- “APL” frequency rank
- #31,071
- “auld” frequency rank
- 79664
- confusion score
Side-by-Side Comparison
| Feature | APL | auld |
|---|---|---|
| Definition | Initialism of acute promyelocytic leukemia. | Old. |
Where the spellings diverge
Shared letters are muted; the letters that actually set APL and auld apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: APL is anoun and auldanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 79664, derived from the frequency rank of both members and their visual similarity.
APL is recorded at frequency rank #48,593, classified as anoun. auld is at rank #31,071, tagged as anadj, pronounced /oʊld/.
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 79664, this pair ranks #21,544 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of APL vs auld
Shared letters: al. Private to "APL": p. Private to "auld": du.
"APL" · 3 letters · shape VCC · "auld" · 4 letters · shape VVCC
Known mistypes of this pair
- auld ← alud · audl · auldd · aulld · uald
Frequency comparison
Frequently Asked Questions
Can "APL" and "auld" be used interchangeably?
Which is more common, "APL" or "auld"?
Remembering APL vs auld
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “APL”; for an adjective, it's “auld”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “APL” entry
- Browse more pairs most likely to be confused. Most confusable