For you lovers of fine music…
singular - opus
plural - opera
Carpe hoc!
Thank you, Stark, for correcting the Cat.
But “Go figure”? “Canada geese” makes perfect sense to me. 
Bob the Random Expert
“If we don’t have the answer, we’ll make one up.”
Isn’t Persons a plural of person? Or is it an incorrect usage?
Plural Digital minicomputers: Vaxen!
Singular green vegetable somewhat reminiscent of cauliflower: a broccolus!
Individual white long-grain product of the sort used in pilaf: a rouse!
If the born-again Christians are right and there is a Second Coming, the Comings as a collective unit: Jesi!
Designated Optional Signature at Bottom of Post
I’ve always found it odd that woman becomes women, pronounced wimen. The first syllable changes more than the second, though its spelling is the same.
Ambrose Bierce said that since the plural of “die” (as in gambling) is “dice,” the singular of “mice” should be “mie.”
My father–a real jokester–said that since the plural of “cactus” is “cacti,” and the plural of “hippopotamus” is “hippopotami,” the plural of “Jesus” shoiuld be “Jesi.” Forgive me., Lord.
No problem.
CatInTheHat, It is “canada goose” only the people living in Canada are refer to as canadian.
ILLEGITIMUS NON CARBORUNDUM EST
I was under the impression that a Canadian goose was something you got from Matt at a rave!
The archaic plural of “cow” is “kine.” In French is a very irregular plural: the singular of the word * oeil * (“eye”) has no similarity to the plural * yeux. *