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    Rebound Senior Member

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    Does anyone remember enough Latin to know if Prii is a grammatically correct way to pluralize Prius? I think it is not, but the grammar rules of Latin are very complicated.

    Many people think that a Latin noun ends in -us for singular and -i for plural, but that is not true. If Prius is a second declension Latin noun, then its spelling is like so:
    Case Singular Plural
    nominative Pri·us Pri·ī
    genitive Pri·ī Pri·ōrum
    dative Pri·ō Pri·īs
    accusative Pri·um Pri·ōs
    ablative Pri·ō Pri·īs
    vocative Pri·e Pri·ī
    locative Pri·ī Pri·īs


    But if this is so, then your car is a "Prius" only when it is the subject of a sentence:
    "Prius is the world's best car." (singular)
    "Prii are the best cars in the world." (plural)

    But in Genitive case:
    "I am a Prii fan". (singular)
    "I am a Priis fan" (plural)

    The most common use of Prius is in the Dative case:
    "Let's get in the Prio and go to the mall." (singular)
    "Let's log into PriusChat and talk about our Priis." (plural)

    "Let's go to the mall in the Prium." (singular accusative)

    "Dude, where's my Prii?"

    You get the idea. You don't pluralize something in Latin by just taking an -i onto it.
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    cyclopathic New Member

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    I thought Prius is neutral from prior, so in plural it should be priora:
    Number Singular Singular Plural Plural
    Case\Gender M.F. N. MM.FF. NN.
    nominative prior prius priōrēs priōra
    genitive priōris priōris priōrum priōrum
    dative priōrī priōrī priōribus priōribus
    accusative priōrem prius priōrēs priōra
    ablative priōre priōre priōribus priōribus
    vocative prior prius priōrēs priōra
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    Trebuchet Senior Member

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    Plural of Prius, Prii? Not According to Latin Experts - KickingTires

    Nick Young, a Latin and classical studies instructor at the University of Detroit Mercy, told the Detroit Free Press that the plural of “Prius” is actually "Priora" or "Priores."

    Ben Zimmer, a columnist for the New York Times, counters that either “Priora” or “Prii” are correct answers, but he told the Free Press that adding Latin plurals to “Prius” seems a bit forced. “We're not speaking Latin. We might as well form the word the way English plurals are formed," Zimmer said.

    In that case, the plural really should be “Priuses,” even if it sounds a bit silly.
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    Rebound Senior Member

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    Aha! Let's try that...

    "Prius is the world's best car." (singular)
    "Priora are the best cars in the world." (plural)

    But in Genitive case:
    "I am a Prioris fan". (singular)
    "I am a Priorum fan" (plural)

    The most common use of Prius is in the Dative case:
    "Let's get in the Priori and go to the mall." (singular)
    "Let's log into PriusChat and talk about our Prioribus." (plural)

    "Let's go to the mall in the Prius." (singular accusative)
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    hyo silver Away

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    Sometimes, grammatically correct is just plain awkward. 'Pree-eye' is a perfect example, and 'Priusses' isn't a whole lot better. Prius as both singular and plural seems the simplest and most elegant.
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    qbee42 My other car is a boat

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    There is also the Canadian form: "Prius-A".

    Tom
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    Rebound Senior Member

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    I agree, it's "."

    However, if we are to pluralize Prius as if the word is Latin, Prii isn't correct. The plural is Priora, Priorum, or Prioibus, depending upon how you use the word in a sentence.
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    daniel Cat Lovers Against the Bomb

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    This is why I think it is silly to treat a word derived from Latin or Greek as though we were speaking those languages. We are not. We are speaking (or writing) English. I treat "Prius" as though it were a made-up name, and I use "Priuses" as the plural, though I accept "Prius" as some English words are their own plural. Similarly I speak of forums rather than fora. OTOH, sometimes common usage is otherwise: If we have more than one datum it becomes data.

    What I think is really silly is that I've seen people here on Prius Chat use "Prii" as the singular!
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    qbee42 My other car is a boat

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    This is the general rule followed by most copy editors. Once a word becomes common in English it is treated as an English word, with normal English rules.

    Tom
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    Skoorbmax Senior Member

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    I don't care for the word at all. Priuses was fine.
    1 people like this.
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    qbee42 My other car is a boat

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    Said in your best Sylvester the cat voice.

    Tom
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    xs650 Senior Member

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    Being silly is good enough reason to use it. If it bugs Latinos (or whatever you call those long dead Latins), so much the better.
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    jdenenberg EE Professor

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    This controversy is over. Toyota had Prius owners vote and the decision was "Prii". Let's just get along.

    JeffD
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    hyo silver Away

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    Look, there's a Prius. Hey, there's another one. ;)
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    hyo silver Away

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    The pronunciation is close, but your spelling gives you away. If it's any consolation, I hunch we'll be in agreement with the Prius C. :)
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    ETC(SS) Resident Skeptic

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    I personally eschew the PREE-EYE thing. It doesn't bother me, I just don't look to a car manufacturer's poll for guidance on how I refer to a group, gaggle, or bunch of their products.

    I'm not trying to be a buzz-kill or anything, but the fact is I own a Harley, and as fanatical as that group of folks tend to be, I also avoid the leather and tassels look as well. No.....I don't have a tat either...and I'm a sailor! :eek:

    I've never been much of a follower I guess.....:D
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    Rebound Senior Member

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    But, but, but... Priora wasn't even one of the choices. I have to admit, "Prius goes Plural" was a clever campaign.
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    hyo silver Away

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    Yes, that was a clever campaign. Toyota could have made the whole thing much easier by saying "Prius IS plural", but that would have taken all the fun out of it. :)

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