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Some Words So Common in Daily Life, Like “Pencil” and “Bus”, Confuse Even the Most Studied. Discover 15 Terms That Have No Plural and See if You Also Fall into These Traps of the Portuguese Language
Portuguese is a language full of surprises — and one of the trickiest when it comes to plural. There are words that seem to require an “s” at the end, but that, according to normative grammar, never vary. They are called invariáveis, and the curious thing is that most people use them in the plural without realizing it.
According to the portal of the Brazilian Academy of Letters and renowned grammarians like Evanildo Bechara, these words maintain the same form, regardless of being in the singular or the plural. In other words, it is incorrect to say “the pencils,” “the viruses,” or “the saucers.”
Below, see a list of 15 classic examples of words that do not have plural — and understand the reason behind each one.
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1. Pencil
One of the most common mistakes. Despite seeming plural, “pencil” is invariable. Thus, it doesn’t matter whether you say “one pencil” or “two pencils.” The word comes from Latin lapis, which means stone.
2. Bus
“The buses” is correct, but there is no “buses”. The word already ends with an “s” and does not change in the plural.
3. Thorax
The medical term used to designate the chest is invariable. There is no “thoraxes,” only “thorax.”
4. Virus
Another case identical to “bus.” The plural is “the viruses” and that’s it. Never “viruses.”
5. Atlas
Referring to books of maps, “atlas” remains the same in the plural. You can say “one atlas” or “several atlases.”
Words That Deceive by Appearance
Some invariable words confuse precisely because they end with “s” or “x”, which gives the impression of plural. Below, see other examples that often generate doubts even among experienced speakers of the language.
6. Climax
There are no “climaxes.” The correct plural is “the climaxes.”
7. Felix
Proper name that also does not change. You can say “the Felixes” to refer to a family with this surname.
8. Saucers
Dishes used under the cup. The correct form is “the saucers” — and never “sauceres.”
9. Phoenix
Even in the plural, it remains the same: “the phoenixes rise from the ashes.”
10. Latex
Material used in clothing and elastic objects. The plural form is also “the latex.”
Foreign and Compound Words: When the Plural Disappears
In addition to native cases in Portuguese, there are also words borrowed from other languages or compounds that also do not have plural.
11. Happy Hour
Being a foreign expression, “happy hour” is invariable. You can have “one happy hour” or “several happy hours.”
12. Copyright
Legal term in English that means “copyright.” It remains the same in any context: “the copyright.”
13. Free
From Latin gratis (for free). Although it seems plural, it does not vary: “free product” and “free products.”
14. Lotus
Sacred flower of Eastern origin. It doesn’t matter whether you say “one lotus” or “several lotuses.”
15. Hercules
Proper name, but also used as a noun. In the plural, it remains “the Hercules.”
The Importance of Mastering These Subtleties
Knowing that certain words have no plural may seem like a detail, but it makes all the difference in formal writing and in public competitions. Moreover, it demonstrates mastery of the language and avoids embarrassment in professional situations.
According to linguistics experts, invariability is a direct inheritance from Latin and the incorporation of foreign terms into modern Portuguese. These exceptions enrich the language and reveal how it is in constant transformation.
And you, have you ever made any of these slips without realizing it?
Source: according to an article published by the Brazilian Academy of Letters and grammatical compilations by Evanildo Bechara and Celso Cunha.
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