I am new to this website but not new to creative writing and English proficiency. I believe in giving my best and submission without delay. I have been a topper in English language since my school studies and have a good grip on grammar and synonym - antonym derivation. A few samples as asked by you:
1) Archive-> Collect, Pull in
2) Application-> Administering,
Administration, Rubbing
3) Process-> Course of action,
Procedure, Development, Technique
4) Error-> Fault, Miscalculation,
Flaw, Glitch
5) Check-> Scrutiny, Analysis, Test
6) Folder-> Case, Container, Box,
Cabinet