The preferred spelling is octopi. That is a Latin grammatical form, borrowed by English.
Sorry, David6023, you are DEAD WRONG again:"Octopodes" is the correct plural of octopus. 'Octopi' is a math term meaning 'pi to the eighth power'. Hoot mon, get the T-shirt: it's a hoot itself!
The plural of "roar" is "roars".
zoos
There are two accepted forms for possessive singular nouns ending in s:Add an apostrophe (') after the existing s at the end of the word: octopus'Add an apostrophe s ('s) after the existing s at the end of the word: octopus'sThere are two accepted plural forms for octopus, they are octopuses and ocotopi.The plural possessive forms are octopuses' and octopi's.
The plural form of "species" is "species." It remains the same in both singular and plural forms.
Pferd is the German word for horse. the plural horses is Pferde.
That is the correct spelling of the plural of "octopus", which is "octopi".(not all -us words form the -i plural in English, e.g. fungi but hippopotamuses)
It could be octopuses or octopi
That is the correct spelling of "octopus" (a tentacled cephalopod sea creature).
Octopuses or octopodes. The Anglicized (and most common) plural form of octopus is octopuses. Although it is often supposed that octopi is the 'correct' plural of octopus, and it has been in use for longer than the usual Anglicized plural octopuses, it in fact originates as an error. Octopus is not a simple Latin word of the second declension, but a Latinized form of the Greek word oktopous, and its 'correct' plural would logically be octopodes.
Octopi and octopuses are both accepted plural forms for the singular octopus.
Dictionaries now show both octopuses and octopi as the plural for octopus. In fact, when I spell checked this answer, the word octopi was highlighted for misspelling, the word octopuses was not. Either is correct.
The word 'octopi' is the plural form of the noun 'octopus'.The alternate plural form 'octopuses' is also generally accepted.
octopods
octopuses
octopus
because the plural of octopus is octopuses
Octopi, I believe...