Why is there so much diversity in how English nouns are pluralized? answers most of your question quite well, I think. The relevant summary is that English (a) has major influences from a very wide range of sources (b) is rooted in Old English, which has several pluralisation schemas for different classes of word. So some Old English words pluralise by suffixing -s, some by suffixing -en, some with a vowel shift and some stay the same. Some words (ox/oxen, louse/lice) have kept their old plurals, and others have 'normalised' due to pressure on the language to be regular (cow/kine). Wikipedia has a nice reference on English plurals if you feel like exploring.

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grammatical number - "Goose"–"geese" vs. "moose"–"moose" - English Language & Usage Stack Exchange
So that's why the plural of "goose" is "geese." Similar rules come into play for the words "louse" and "mouse." While people may have used a word similar to "hide" as the plural form of "house," the word was simply modernized into the more standard form of English pluralization (addition of ... More on english.stackexchange.com
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April 18, 2013
geese vs. gooses | WordReference Forums
Hi, As you know the plural form of "goose" is "geese". Is it wrong to say "gooses" instead of "geese" when pluralizing it?:confused: Thank you. More on forum.wordreference.com
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July 16, 2017
Plural of goose
Non-standard "gooses" might be ... person's buttocks' whose third person singular present tense form is indeed "gooses," as in "He gets in trouble when he gooses the other kids on the playground." ... The plural of goose is geese.... More on preply.com
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September 14, 2016
The plural of "goose" is "geese". | WordReference Forums
While there are plenty of threads on "goose" and additional on "geese", none seemed to address the following. "Your goose is cooked" is a fixed expression meaning you are a lot of trouble. It is always "goose" never "geese". The situation is this: Party #1 says, "It looks like your goose is... More on forum.wordreference.com
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August 8, 2016
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LanguageTool
languagetool.org › home › plural of goose | gooses or geese?
Plural of Goose | Gooses or Geese?
June 11, 2025 - The correct plural form of goose is geese. “Gooses” is incorrect and should be avoided, although it is sometimes used in casual and informal contexts.
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Encyclopedia Britannica
britannica.com › dictionary › goose
Goose Definition & Meaning | Britannica Dictionary
1 goose /ˈguːs/ noun · plural geese /ˈgiːs/ 1 goose · /ˈguːs/ noun · plural geese /ˈgiːs/ Britannica Dictionary definition of GOOSE · 1 · [count] : any one of many different kinds of birds that swim, that are larger than ducks, ...
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Quora
quora.com › Why-is-the-plural-of-goose-geese-but-the-plural-of-horse-is-not-heese
Why is the plural of goose “geese” but the plural of horse is not “heese”? - Quora
Answer (1 of 6): Why would the plural of horse be heese? Where have you lost the -r-? Apart from this little slip, the reason lies in the history of the English language. There used to be a much greater number of nouns that formed their plural like “goose” with an umlaut although “horse” never b...
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Why is there so much diversity in how English nouns are pluralized? answers most of your question quite well, I think. The relevant summary is that English (a) has major influences from a very wide range of sources (b) is rooted in Old English, which has several pluralisation schemas for different classes of word. So some Old English words pluralise by suffixing -s, some by suffixing -en, some with a vowel shift and some stay the same. Some words (ox/oxen, louse/lice) have kept their old plurals, and others have 'normalised' due to pressure on the language to be regular (cow/kine). Wikipedia has a nice reference on English plurals if you feel like exploring.

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The word "goose" comes into English from an ancient Germanic language that had something called strong declension. Basically, what it means is that these words, which include "foot" and "tooth," pluralize by changing the "oo" to "ee" (like foot/feet and tooth/teeth). So that's why the plural of "goose" is "geese." Similar rules come into play for the words "louse" and "mouse." While people may have used a word similar to "hide" as the plural form of "house," the word was simply modernized into the more standard form of English pluralization (addition of the letter -s) while the others were not. "Moose" comes into English from a North American/Native American source around 400 years ago and does not follow the ancient Germanic language rules. The similarities between the two words is simply coincidental.

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Wikipedia
en.wikipedia.org › wiki › Goose
Goose - Wikipedia
2 weeks ago - In Germanic languages, the root gave Old English gōs with the plural gēs and gandra (becoming Modern English goose, geese, gander, respectively), West Frisian goes, gies and guoske, Dutch: gans, ganzen, ganzerik, New High German Gans, Gänse, ...
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Kylian
kylian.ai › blog › en › plural-of-goose
The Plural of Goose in English: A Complete Guide
May 18, 2025 - This irregular plural reflects English's historical development and linguistic inheritance. While most English nouns form their plurals by simply adding a suffix (like "dog" becoming "dogs"), a small but significant set of nouns – including "goose" – follow ancient Germanic patterns that involve changing the vowel sound within the word itself.
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Gauthmath
gauthmath.com › solution › 1783649057553414
Solved: What is the plural form of the singular noun goose? ...
Gauthmath · ExtensionCalculatorDownloadGauth PLUS · Math Resources/ · Math/ · Question · SHOW LESS · Solution · Answer · The answer is **258p** · Explanation
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New Life On A Homestead
newlifeonahomestead.com › geese vs goose: which is plural?
Geese vs Goose: Which Is Plural?
May 18, 2023 - The plural form of “goose” is “geese”. “Geese” is the only correct plural form of “goose”. “Goose” is not functional as a plural and “gooses” is not actually a word, so you should never use it.
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Quora
quora.com › Why-are-the-plural-forms-of-certain-words-like-Goose-Moose-Mouse-Tooth-Ox-so-random-Why-not-just-have-them-all-end-in-S
Why are the plural forms of certain words (like Goose, Moose, Mouse, Tooth, Ox) so random? Why not just have them all end in 'S'? - Quora
Answer (1 of 7): You forgot: child, woman, man.* The English language was not invented, like Klingon, but rather evolved over hundreds of years from other languages with (generally) Latin and Anglo-Saxon roots. Some of these languages do not add an s to make a singular noun plural. Check the his...
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WordReference
forum.wordreference.com › english only › english only
geese vs. gooses | WordReference Forums
July 16, 2017 - Hi, As you know the plural form of "goose" is "geese". Is it wrong to say "gooses" instead of "geese" when pluralizing it?:confused: Thank you.
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WordReference
forum.wordreference.com › english only › english only
The plural of "goose" is "geese". | WordReference Forums
August 8, 2016 - The situation is this: Party #1 says, "It looks like your goose is cooked." Party #2 says, "Yeah, well it looks like your goose is cooked too." Party #1 says, "I guess both of our geese/gooses are cooked." Grammatically it properly "geese", but the phrase is never "geese" it is always "goose".
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LanguageTool
languagetool.org › home › moose vs. mooses vs. meese
Moose vs. Mooses vs. Meese
July 29, 2025 - The plural form of moose is moose. We saw a herd of moose during our road trip to Canada. Moose on the Loose If the plural of goose is geese, then the