appendix (n.) a collection of supplementary material, usually at the end of a book附录

[例]  to use an appendix for any information

[同义词]  addendum

apply (v.) ask for something (in writing)（书面的）申请

[同义词]  We applied for a loan.

applicant (n.) person who applies申请人

[例]  The applicant shows outstanding advantages among the candidates pool.

application (n.) act of applying申请

application form (n.) pre-printed form to make a request for a job申请表

[例]  Please fill in this application form at first.