APLvsASLWhat's the difference?

Quick tell: APL is a noun, ASL is a name, so they fill different roles in a sentence.

Which to use

“APL” is a noun and “ASL” is a name - they look or sound alike but fill different roles in a sentence.

#48,593
“APL” frequency rank
#28,821
“ASL” frequency rank
77414
confusion score

Side-by-Side Comparison

Feature APL ASL
Definition Initialism of acute promyelocytic leukemia. Initialism of American Sign Language.

Where the spellings diverge

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

3 ch
APL
3 ch
ASL

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: APL is anoun and ASLaname. On the page they differ by a single letter - p in “APL” becomes s in “ASL”. Our composite confusion score for this pair is 77414, derived from the frequency rank of both members and their visual similarity.

APL is recorded at frequency rank #48,593, classified as anoun. ASL is at rank #28,821, tagged as aname.

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 77414, this pair ranks #27,341 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of APL vs ASL

Shared letters: al. Private to "APL": p. Private to "ASL": s.

"APL" · 3 letters · shape VCC  ·  "ASL" · 3 letters · shape VCC

Frequency comparison

APL#48,593
ASL#28,821

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "APL" and "ASL" be used interchangeably?
No - they are not even the same part of speech. "APL" is a noun and "ASL" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "APL" or "ASL"?
"ASL" is the more common of the two: it sits at frequency rank #28,821 in our English list, against #48,593 for "APL". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering APL vs ASL

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “APL”; for a name, it's “ASL”.
  • 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

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

Source: FrequencyWords open word-frequency list