The table:
apply - applicant - application
assist - assistant - assistance
translate - translator - translation
advise - adviser(-or in AmE) - advice
invent - inventor - invention
interview - interviewer/interviewee - interview
love - lover - love
criticize (-ise BrE) - critic - criticism
use - user - use/usage
employ - employer/employee - employment
speak - speaker - speec
discover - discoverer - discovery

0 - inventors
1 - inspiration
2 - psychological
3 - understanding
4 - disagreement
5 - meaning
6 - interpretation
7 - scientists
8 - products
9 - completely
10 - actually