starter /ˈstɑːrtər/ /ˈstɑːtə/
pioneer /ˌpaɪəˈnɪr/ /ˌpaɪəˈnɪə/
groundbreaker /ɡɹˈaʊndbɹeɪkɚ/ /ɡɹˈaʊndbɹeɪkə/