AdlervsalertTell them apart

Quick tell: Adler is a name, alert is an adjective, so they fill different roles in a sentence.

Which to use

“Adler” is a name and “alert” is an adjective - they look or sound alike but fill different roles in a sentence.

#28,041
“Adler” frequency rank
#38,128
“alert” frequency rank
66169
confusion score

Side-by-Side Comparison

Feature Adler alert
Definition Nom de famille. Alerte

Where the eye mixes Adler and alert

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Adler (VCCVC) and alert (VCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
Adler
5 ch
alert

Why the eye confuses Adler with alert

These two trip readers on the page rather than in the ear: Adler is \ad.lœʁ\ while alert is \aˈlɛʁt\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 4 positions, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 66169, derived from the frequency rank of both members and their visual similarity.

Adler is recorded at frequency rank #28,041, classified as aname, pronounced \ad.lœʁ\. alert is at rank #38,128, tagged as anadj, pronounced \aˈlɛʁt\.

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 66169, this pair ranks #68,983 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Adler vs alert

Shared letters: aelr. Private to "Adler": d. Private to "alert": t.

"Adler" · 5 letters · shape VCCVC  ·  "alert" · 5 letters · shape VCVCC

Known mistypes of this pair

  • Adler ← addler · adelr · adlerr · adller · adlre · alder · daler
  • alert ← aelrt · alerrt · alertt · allert · alret · laert

Frequently Asked Questions

Can "Adler" and "alert" be used interchangeably?
No - they are not even the same part of speech. "Adler" is a name and "alert" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Adler" vs "alert" - which ranks higher?
"Adler" is the more common of the two: it sits at frequency rank #28,041 in our French list, against #38,128 for "alert". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Adler" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alert" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #68,983 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Adler" and "alert" also get mixed up with nearby pairs, the highest-scored neighbour is "alert vs avéra". 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 #68,983 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list