atlvsaufWhat's the difference?

Quick tell: atl is a noun, auf is a preposition, so they fill different roles in a sentence.

Which to use

“atl” is a noun and “auf” is a preposition - they look or sound alike but fill different roles in a sentence.

#46,949
“atl” frequency rank
#35,364
“auf” frequency rank
82313
confusion score

Side-by-Side Comparison

Feature atl auf
Definition Agua. Arriba de, sobre, en.

Where the spellings diverge

Shared letters are muted; the letters that actually set atl and auf apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
atl
3 ch
auf

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: atl is /ˈaːt͡ɬ/ while auf is [aʊ̯f]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 82313, derived from the frequency rank of both members and their visual similarity.

atl is recorded at frequency rank #46,949, classified as anoun, pronounced /ˈaːt͡ɬ/. auf is at rank #35,364, tagged as aprep, pronounced [aʊ̯f].

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 82313, this pair ranks #9,371 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of atl vs auf

Shared letters: a. Private to "atl": lt. Private to "auf": fu.

"atl" · 3 letters · shape VCC  ·  "auf" · 3 letters · shape VVC

Frequency comparison

atl#46,949
auf#35,364

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "atl" and "auf" be used interchangeably?
No - they are not even the same part of speech. "atl" is a noun and "auf" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "atl" or "auf"?
"auf" is the more common of the two: it sits at frequency rank #35,364 in our Spanish list, against #46,949 for "atl". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering atl vs auf

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “atl”; for a preposition, it's “auf”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “atl” 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 FrequencyWords open word-frequency list