Hi. If you're including "oy" in the word; "enjoy" is a five letter word that ends with "oy" enjoy
loyal
appointment
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -I-OI. That is, five letter words with 2nd letter I and 4th letter O and 5th letter I. In alphabetical order, they are: aidoi hikoi kikoi
moist hoist doing boing going joist ...
Hi. If you're including "oy" in the word; "enjoy" is a five letter word that ends with "oy" enjoy
Join
The word "futile" fits the criteria for a 9-letter word meaning useless with the vowel sound oi or oy.
loyal
Join.
appointment
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern OI--A. That is, five letter words with 1st letter O and 2nd letter I and 5th letter A. In alphabetical order, they are: oidia
I'm an Englishman and I would say 'Oggy' A well known English 'chant' : Oggy Oggy Oggy! : Oi Oi Oi! : Oggy Oggy Oggy! : Oi Oi Oi! : Oggy! : Oi! : Oggy! : Oi! : Oggy Oggy Oggy! : Oi Oi Oi!
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -I-OI. That is, five letter words with 2nd letter I and 4th letter O and 5th letter I. In alphabetical order, they are: aidoi hikoi kikoi
"Oi" is not a word in French. It might be a mistake or a misspelling. If you meant to ask about a different word or concept, feel free to provide more context.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern E--OI. That is, five letter words with 1st letter E and 4th letter O and 5th letter I. In alphabetical order, they are: envoi
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -E-OI. That is, five letter words with 2nd letter E and 4th letter O and 5th letter I. In alphabetical order, they are: teloi