imprecisão vs impressão, What's the Difference?

Which to use

“imprecisão” and “impressão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#42,971
“imprecisão” frequency rank: #2,518
“impressão” frequency rank: 45489
confusion score

Side-by-Side Comparison

Feature	imprecisão	impressão
Definition	falta de precisão	ato ou efeito de imprimir

Where the spellings diverge

Shared letters are muted; the letters that actually set imprecisão and impressão apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.

10 ch

imprecisão

9 ch

impressão

Spelling & Dictionary Insight

A purely visual mix-up. imprecisão (/ĩ.pɾɨ.si.ˈzɐ̃w̃/) and impressão (/ĩ.pɾɨ.ˈsɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 45489, derived from the frequency rank of both members and their visual similarity.

imprecisão is recorded at frequency rank #42,971, classified as anoun, pronounced /ĩ.pɾɨ.si.ˈzɐ̃w̃/. impressão is at rank #2,518, tagged as anoun, pronounced /ĩ.pɾɨ.ˈsɐ̃w̃/.

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 45489, this pair ranks #19,906 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of imprecisão vs impressão

Shared letters: eimoprsã. Private to "imprecisão": c. Private to "impressão": -.

"imprecisão" · 10 letters · shape VCCCVCVCVV · "impressão" · 9 letters · shape VCCCVCCVV

Frequency comparison

imprecisão#42,971

impressão#2,518

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "imprecisão" and "impressão" be used interchangeably?

No. They are said differently (/ĩ.pɾɨ.si.ˈzɐ̃w̃/ versus /ĩ.pɾɨ.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "imprecisão" or "impressão"?

"impressão" is the more common of the two: it sits at frequency rank #2,518 in our Portuguese list, against #42,971 for "imprecisão". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering imprecisão vs impressão

The fastest way to pick the right one every time.

Read both glosses above and match the meaning you intend, only context separates this pair.
See each word in full, definition, IPA, etymology and its other confusables. Full “imprecisão” entry
Browse more pairs most likely to be confused. Most confusable