Possible Clues:

• Hydrocarbon suffixes
• Chemical endings
• Hydrocarbon endings
• Chemical suffixes
• NBA center __ Kanter
• Endings for "ethyl" and "butyl"
• 6'11' Kanter of the N.B.A
• The Spanish word 'nación' has two
• Suffix for carbon compounds, plural
• Spanish letters with (or without) tildes