There's a write-up on Freestyle Language about a Quizlet vocabulary stack of high-frequency (common) Polish verbs taken directly from the Swadesh list.
Recently, two other resources were added on the site relating to Polish, aspect in Slavic languages and action-oriented language-learning:
English-Polish Science Vocabulary Translations
Aspect in Slavic Languages w/Specific Examples using Polish Perfect vs Imperfect Verbs