Words That Rhyme With "Grafen" :

2 syllables:

aasen, assen, Baffin, boffin, cavum, coffin, deafen, hyphen, kaftan, muffin, offen, often, puffin, siphon, sniffen, soften, Stefan, stephan, stiffen, syphon, toughen

3 syllables:

Mcguffin, unfasten

4 syllables:

thermosiphon