octopi
English
Etymology
Created in Latin by analogy with pōlypus (“octopus”), which was either second or third declension in both Latin and Greek, though historically third in the latter.
Noun
octopi
- (hypercorrect) plural of octopus
Usage notes
The forms octopuses and octopi appear roughly equally prevalent, with octopodes being much rarer. However, octopi is hypercorrect. See octopus for further discussion.