Thank Mr.BobK.
I looked up them in OALD but I can't distinguish them. Not anyone can understand and know how to use all words. It depends on their E level. My E is poor, so I am here to ask.
By the way
[FONT="]- Small shops are facing ______ from supermarkets.[/FONT]
[FONT="]A. [/FONT][FONT="]competitors[/FONT]
[FONT="]B. [/FONT][FONT="]competitive[/FONT]
[FONT="]C. [/FONT][FONT="]competition[/FONT]
[FONT="]D. [/FONT][FONT="]competitiveness[/FONT]
Is my choice right?