What is the closest language to polish?

Related questions

1. How difficult is it to learn Polish?
2. Does duolingo have Czech?
3. Is Czech Republic a poor country?
4. Is Ireland tap water safe to drink?
5. What's the difference between Czech and Slovak?
6. Is Prague safe to visit?
7. How many words are in the Czech language?
8. Is Polish different from Russian?
9. Is Czech and Slovak the same language?
10. What country is Bohemia now?

Tags

1. #there
2. #learn
3. #investment
4. #certainly
5. #slavic
6. #suggest
7. #course
8. #figure
9. #ukrainian
10. #languages
11. #language
12. #common
13. #reverse
14. #closest
15. #english
16. #things
17. #passion
18. #polish