Rafelghem rhymes with:
algom, amalgam, fulgham, fulghum, algom, amalgam, bergum, bingham, brautigam, brigham, brougham, dingham, effingham, eggum, fulgham, fulghum, gingham, gmbh, hingham, ingham, mangham, mangum, sorghum, swiggum, whigham
Rafelghem sounds like:
repligen, republican, revolucion, revulsion