Hacker rhymes with:
acker, aker, akre, attacker, backer, bakker, blacker, bracher, bracker, cracker, lacher, lacquer, macher, makar, packer, racker, sacher, schacher, slacker, stacker, tacker, thacher, thacker, thakkar, tracker, vanacker, wacker, whacker, zacher
Hacker sounds like:
haecker, haeger, hagar, hager, haggar, hagiwara, hajjar, haser, hasher, hauger, hausauer, hauser, hausser, hawker, hazier, hecker, heger, heiser, heizer, hekker, hesser, heuser, heusser, heyser, hickory, higher, higuera, hijacker, hiker, hiser, hizer, hochhauser, hocker, hoecker, hoeger, hoger, hooker, hooser, hoosier, hosiery, houser, houseware, howsare, howser, hucker, hugger, huizar, husar, huser, hussar, husser, huyser, hycor, hyser