Possible Clues:

• Suffix with xeno-
• Commitment-___
• Irrational fear sufferer's suffix
• Suffix with techno-
• Suffix with acro- or xeno-
• Suffix for techno
• Suffix with techno
• Commitment __: modern type with cold feet
• Suffix for a fearful one
• Suffix after "xeno" or "germo"