aggravationvsaggregationWhich spelling fits?

Which to use

“aggravation” and “aggregation” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#38,711
“aggravation” frequency rank
#20,827
“aggregation” frequency rank
59538
confusion score

Side-by-Side Comparison

Feature aggravation aggregation
Definition The act of aggravating, or making worse; used of evils, natural or moral; the act of increasing in severity or heinousness; something additional to a crime or wrong and enhancing its guilt or injurious consequences. The act of collecting together, of aggregating.

Where the eye mixes aggravation and aggregation

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

11 ch
aggravation
11 ch
aggregation

Visual trap between aggravation and aggregation

A purely visual mix-up. aggravation (/ˌæɡɹəˈveɪʃən/) and aggregation (/æɡɹəˈɡeɪʃən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 59538, derived from the frequency rank of both members and their visual similarity.

aggravation is recorded at frequency rank #38,711, classified as anoun, pronounced /ˌæɡɹəˈveɪʃən/. aggregation is at rank #20,827, tagged as anoun, pronounced /æɡɹəˈɡeɪʃən/.

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 59538, this pair ranks #105,550 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of aggravation vs aggregation

Shared letters: aginort. Private to "aggravation": v. Private to "aggregation": e.

"aggravation" · 11 letters · shape VCCCVCVCVVC  ·  "aggregation" · 11 letters · shape VCCCVCVCVVC

Known mistypes of this pair

  • aggravationaggarvation · aggraavtion · aggravaiton · aggravasion · aggravatino · aggravationn · aggravatoin · aggravattion
  • aggregationaggergation · aggreagtion · aggregaiton · aggregasion · aggregatino · aggregationn · aggregatoin · aggregattion

Frequently Asked Questions

Is swapping "aggravation" for "aggregation" ever safe?
No. They are said differently (/ˌæɡɹəˈveɪʃən/ versus /æɡɹəˈɡeɪʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "aggravation" or "aggregation" show up more?
"aggregation" is the more common of the two: it sits at frequency rank #20,827 in our English list, against #38,711 for "aggravation". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "aggravation" and "aggregation" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aggravation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aggregation" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #105,550 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "aggravation" and "aggregation" also get mixed up with nearby pairs, the highest-scored neighbour is "aggravating vs aggravation". 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 #105,550 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