Here are some possibilities:
* "Cochi" is not a common English word. It's likely a misspelling or a word from a different language.
* "Coche" is a Spanish word for "car".
* "Cochi" could be a nickname for someone named "Cochran" or "Cochrane".
* "Cochin" refers to a breed of chicken.
Please provide more context or information about what you're trying to spell so I can give you a more accurate answer.