Is it cost effective or cost efficient?

Related questions

1. What counts as fluent?
2. In what ways is the meaning of efficiency the same?
3. How do you use efficiency in a sentence?
4. Is fluent better than intermediate?
5. What is efficiency with example?
6. What is exchange efficiency?
7. How many words do you need to know to be fluent?
8. Is being fluent in a language a skill?
9. Is proficient better than advanced?
10. What level of Spanish is considered fluent?

Tags

1. #online
2. #looks
3. #effective
4. #points
5. #tolerated
6. #defined
7. #reference
8. #there
9. #properly
10. #lesser
11. #status
12. #while
13. #webster
14. #oxford
15. #efficient
16. #entry
17. #synonym
18. #versions