Greek and Latin Roots. 30 Sets of Word Stems from Latin and Greek Roots. ADVANCED Lists of Greek and Latin roots that will help your students understand the building blocks of the English language. The lists contain the stem, the meaning, and an example word. This set is a more challenging set of word stems, roots, prefixes, suffixes, and affixes that can be used for enrichment after the basic Greek and Latin word stems have been mastered.