forerunner /fˈɔːɹʌnɚ/ /fˈɔːɹʌnə/
pioneer /ˌpaɪəˈnɪr/ /ˌpaɪəˈnɪə/
old /oʊld/ /əʊld/
former /ˈfɔːr.mər/ /ˈfɔːmə/
previous /ˈpriː.viː.əs/ /ˈpriːviəs/