Which language is closest to polish?

Related questions

1. What language family is Czech in?
2. Why did Czech Republic and Slovakia split?
3. Why is Prague called the Golden City?
4. What nationality is Prague?
5. Is water safe to drink in Prague?
6. What was Czech called before 1918?
7. How many words are there in the Czech language?
8. Why did Czech and Slovakia separate?
9. How similar are Ukrainian and Russian?
10. Which language is close to German?

Tags

1. #language
2. #russian
3. #those
4. #languages
5. #slovak
6. #slavic
7. #actually
8. #belongs
9. #different
10. #polish
11. #differs
12. #generally
13. #group
14. #czech