The word "adversarias" is spelled with the letters A-D-V-E-R-S-A-R-I-A-S. It is pronounced /ædˌvɜːrsəˈriːəz/ in IPA phonetic transcription. The root word is "adversary," meaning an opponent or enemy. The "-ias" suffix is commonly used in Latin-derived words to denote a group or collection of something. In this case, "adversarias" refers to a group of adversaries. While not commonly used in modern English, this word highlights the importance of understanding roots and suffixes in vocabulary building.