1. suffix-less meaning- not helpful
2. suffix-ly meaning- going fast
3. suffix-ful meaning- hurting and object
4. suffix-less meaning- not thinking/ or uh idk
i really do hope this helped :)
Baltic-Slavic languages include Latvian and Lithuanian, which are spoken (of course) in Latvia and Lithuania. Those countries are located on the Baltic Sea in northern Europe, sort of smashed between Scandinavia, Russia, and Poland.