Which to use
“ago” is an adverb and “Atom” is a noun - they look or sound alike but fill different roles in a sentence.
- #9,434
- “ago” frequency rank
- #34,578
- “Atom” frequency rank
- 44012
- confusion score
Side-by-Side Comparison
| Feature | ago | Atom |
|---|---|---|
| Definition | há, atrás – adj | átomo. |
Where the eye mixes ago and Atom
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between ago and Atom
These two trip readers on the page rather than in the ear: ago is /əˈɡəʊ/ while Atom is [a'toːm], Plural: [a'toːmə].. 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 (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 44012, derived from the frequency rank of both members and their visual similarity.
ago is recorded at frequency rank #9,434, classified as anadv, pronounced /əˈɡəʊ/. Atom is at rank #34,578, tagged as anoun, pronounced [a'toːm], Plural: [a'toːmə]..
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 44012, this pair ranks #21,540 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ago vs Atom
Shared letters: ao. Private to "ago": g. Private to "Atom": mt.
"ago" · 3 letters · shape VCV · "Atom" · 4 letters · shape VCVC
Known mistypes of this pair
- Atom ← aotm · atmo · atomm · attom · taom
Frequently Asked Questions
Can "ago" and "Atom" be used interchangeably?
Which is more common, "ago" or "Atom"?
What to do next
Eye-level mix-up between "ago" and "Atom" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ago" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Atom" - compare definitions side by side with the headword page. Word entry
- This pair ranks #21,540 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ago" and "Atom" also get mixed up with nearby pairs, the highest-scored neighbour is "Atom vs atroz". 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 #21,540 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.