How Similar are Polish and Russian?

The Slavic languages are all fairly similar to each other. Russian and Polish are the two most spoken ones, which leads to the question of how Similar Polish and Russian are. Thank you to Iry for providing audio samples of Russian and Aizu for providing audio samples of Polish! Sources: Modern Russian Grammar - A Practical Guide, by John Dunn and Shamil Khairov Polish: An Essential Grammar, by Dana Bielec 0:00 Intro 0:43 Vocabulary 2:27 Phonology 4:57 Writing 6:02 Grammar 11:41 Outro My Patreon page and Discord server are always in my channel description