apo vs arco, What's the Difference?

Which to use

“apo” is a verb and “arco” is a noun - they look or sound alike but fill different roles in a sentence.

#45,685
“apo” frequency rank: #4,287
“arco” frequency rank: 49972
confusion score

Side-by-Side Comparison

Feature	apo	arco
Definition	atar, juntar, ligar.	ente geométrico cuja principal característica é a curva

Where the spellings diverge

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

3 ch

apo

4 ch

arco

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: apo is /ˈa.poː/. while arco is /ˈaɾ.ku/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49972, derived from the frequency rank of both members and their visual similarity.

apo is recorded at frequency rank #45,685, classified as averb, pronounced /ˈa.poː/.. arco is at rank #4,287, tagged as anoun, pronounced /ˈaɾ.ku/.

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 49972, this pair ranks #14,998 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of apo vs arco

Shared letters: ao. Private to "apo": p. Private to "arco": cr.

"apo" · 3 letters · shape VCV · "arco" · 4 letters · shape VCCV

Known mistypes of this pair

arco ← arcco · aroc · arrco · raco

Frequency comparison

apo#45,685

arco#4,287

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "apo" and "arco" be used interchangeably?

No - they are not even the same part of speech. "apo" is a verb and "arco" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "apo" or "arco"?

"arco" is the more common of the two: it sits at frequency rank #4,287 in our Portuguese list, against #45,685 for "apo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering apo vs arco

The fastest way to pick the right one every time.

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