ageingvsagentWhich spelling fits?

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

Which to use

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

#16,172
“ageing” frequency rank
#1,622
“agent” frequency rank
17794
confusion score

Side-by-Side Comparison

Feature ageing agent
Definition UK, Australia, New Zealand, and South Africa standard spelling of aging. One who exerts power, or has the power to act.

Letter map: ageing vs agent

Shared letters muted; letters that set ageing and agent apart highlighted. Shared run: 4.

6 ch
ageing
5 ch
agent

Grammar separator: ageing vs agent

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ageing is anadjective and agentanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 17794, derived from the frequency rank of both members and their visual similarity.

ageing is recorded at frequency rank #16,172, classified as anadj. agent is at rank #1,622, tagged as anoun, pronounced /ˈeɪ.d͡ʒənt/.

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 17794, this pair ranks #449,081 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ageing vs agent

Shared letters: aegn. Private to "ageing": i. Private to "agent": t.

"ageing" · 6 letters · shape VCVVCC  ·  "agent" · 5 letters · shape VCVCC

Known mistypes of this pair

  • ageingaeging · ageign · ageingg · ageinng · agenig · aggeing · agieng · gaeing
  • agentaegnt · agennt · agentt · agetn · aggent · agnet · gaent

Frequently Asked Questions

Is swapping "ageing" for "agent" ever safe?
No - they are not even the same part of speech. "ageing" is an adjective and "agent" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ageing" or "agent"?
"agent" is the more common of the two: it sits at frequency rank #1,622 in our English list, against #16,172 for "ageing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "ageing" and "agent".

  • Full dictionary entry for "ageing" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "agent" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #449,081 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ageing" and "agent" also get mixed up with nearby pairs, the highest-scored neighbour is "ageing vs awning". 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 #449,081 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list