quartovsquartzoWhat's the difference?

Quick tell: quarto is a adjective, quartzo is a noun, so they fill different roles in a sentence.

Which to use

“quarto” is an adjective and “quartzo” is a noun - they look or sound alike but fill different roles in a sentence.

#589
“quarto” frequency rank
#26,528
“quartzo” frequency rank
27117
confusion score

Side-by-Side Comparison

Feature quarto quartzo
Definition refere-se àquele que ocupa a posição quaternária em uma série; o que vem depois do terceiro o mineral mais abundante do planeta, representando 12% da crosta terrestre; é formado basicamente por sílica (dióxido de silício SiO₂), que forma uma estrutura cristalina trigonal composta por tetraedros; é largamente utilizado na indústria para a fabricação dos mais diversos produtos como, vidros, abrasivos, fibras óticas, componentes eletrônicos, instrumentos óticos, cerâmicas, joias e ornamentos

Where the spellings diverge

Shared letters are muted; the letters that actually set quarto and quartzo apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

6 ch
quarto
7 ch
quartzo

Spelling & Dictionary Insight

quarto and quartzo 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 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 27117, derived from the frequency rank of both members and their visual similarity.

quarto is recorded at frequency rank #589, classified as anadj, pronounced /ˈkwaɾ.tu/. quartzo is at rank #26,528, tagged as anoun, pronounced /ˈkwaɾ.tzu/.

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 27117, this pair ranks #41,895 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Frequency comparison

quarto#589
quartzo#26,528

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "quarto" and "quartzo" be used interchangeably?
No, "quarto" and "quartzo" 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 quarto vs quartzo

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “quarto”; for a noun, it's “quartzo”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “quarto” 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