We don't have synonyms for fettish yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are fetish, fattish and pettish.
°Something sexual or nonsexual, such as an object or a part of the body which arouses sexualdesire or is necessary for one to reach full sexual satisfaction.
°Something sexual or nonsexual, such as an object or a part of the body which arouses sexualdesire or is necessary for one to reach full sexual satisfaction.