Which to use
“alert” is an adjective and “altert” is a verb - they look or sound alike but fill different roles in a sentence.
- #41,635
- “alert” frequency rank
- #46,458
- “altert” frequency rank
- 88093
- confusion score
Side-by-Side Comparison
| Feature | alert | altert |
|---|---|---|
| Definition | munter, aufgeweckt, rege, frisch | 2. Person Plural Imperativ Präsens Aktiv des Verbs altern |
Where the eye mixes alert and altert
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses alert with altert
These two trip readers on the page rather than in the ear: alert is [aˈlɛʁt] while altert is [ˈaltɐt]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 88093, derived from the frequency rank of both members and their visual similarity.
alert is recorded at frequency rank #41,635, classified as anadj, pronounced [aˈlɛʁt]. altert is at rank #46,458, tagged as averb, pronounced [ˈaltɐt].
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 88093, this pair ranks #72,436 of 2,006,359 scored German confusable pairs - among the most confusable pairs.
Orthographic DNA of alert vs altert
Shared letters: aelrt. Private to "alert": -. Private to "altert": -.
"alert" · 5 letters · shape VCVCC · "altert" · 6 letters · shape VCCVCC
Known mistypes of this pair
Frequently Asked Questions
Can "alert" and "altert" be used interchangeably?
Which is more common, "alert" or "altert"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "alert" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "altert" - compare definitions side by side with the headword page. Word entry
- This pair ranks #72,436 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "alert" and "altert" also get mixed up with nearby pairs, the highest-scored neighbour is "altars vs altert". 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 #72,436 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.