With some creative combinations and changing a letter or two, something strange and wonderful emerges:

Assassin|Avenger------------------------Assender
Barbarian|Bard----------------------------Barbard
Bard|Cleric-------------------------------Barc
Cleric|Wizard-----------------------------Wizzic
Fighter|Monk----------------------------Funk
Fighter|Paladin---------------------------Fadin
Monk|Rogue------------------------------Moog
Paladin|Warlock--------------------------Pluck
Warlock|Wizard---------------------------Wartard