atvsatumWhat's the difference?

Quick tell: at is a preposition, atum is a noun, so they fill different roles in a sentence.

Which to use

“at” is a preposition and “atum” is a noun - they look or sound alike but fill different roles in a sentence.

#1,457
“at” frequency rank
#16,684
“atum” frequency rank
18141
confusion score

Side-by-Side Comparison

Feature at atum
Definition em, a peixe da família dos Escombrídeos muito usado na alimentação quer em fresco, quer em conserva

Where the spellings diverge

Shared letters are muted; the letters that actually set at and atum apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

2 ch
at
4 ch
atum

Spelling & Dictionary Insight

at and atum form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “at” sits inside “atum” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 18141, derived from the frequency rank of both members and their visual similarity.

at is recorded at frequency rank #1,457, classified as aprep, pronounced \æt\. atum is at rank #16,684, tagged as anoun, pronounced /ɐ.ˈtũ/.

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 18141, this pair ranks #52,916 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Frequency comparison

at#1,457
atum#16,684

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "at" and "atum" be used interchangeably?
No, "at" and "atum" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering at vs atum

The fastest way to pick the right one every time.

  • Check the role first: if you need a preposition, it's “at”; for a noun, it's “atum”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “at” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list