agentvsalertWhich spelling fits?

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

Which to use

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

#1,798
“agent” frequency rank
#38,128
“alert” frequency rank
39926
confusion score

Side-by-Side Comparison

Feature agent alert
Definition Celui qui est chargé d’une fonction, d’une mission, soit par un gouvernement ou par une administration, soit par un ou plusieurs particuliers. Alerte

Where the eye mixes agent and alert

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
agent
5 ch
alert

Visual trap between agent and alert

These two trip readers on the page rather than in the ear: agent is \a.ʒɑ̃\ while alert is \aˈlɛʁt\. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 39926, derived from the frequency rank of both members and their visual similarity.

agent is recorded at frequency rank #1,798, classified as anoun, pronounced \a.ʒɑ̃\. 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 39926, this pair ranks #244,332 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of agent vs alert

Shared letters: aet. Private to "agent": gn. Private to "alert": lr.

"agent" · 5 letters · shape VCVCC  ·  "alert" · 5 letters · shape VCVCC

Known mistypes of this pair

  • agentaegnt · agennt · agentt · agetn · aggent · agnet · gaent
  • alertaelrt · alerrt · alertt · allert · alret · laert

Frequently Asked Questions

Do "agent" and "alert" mean the same thing in a sentence?
No - they are not even the same part of speech. "agent" is a noun and "alert" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "agent" vs "alert" - which ranks higher?
"agent" is the more common of the two: it sits at frequency rank #1,798 in our French list, against #38,128 for "alert". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "agent" 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 #244,332 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "agent" 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 #244,332 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