reticent /ˈretɪsnt/ /ˈretɪsnt/
quiet /ˈkwɑɪət/ /ˈkwaɪət/
taciturn /ˈtæsɪˌtɜrn/ /ˈtæsɪtɜːn/
reserved /rɪˈzɜrvd/ /rɪˈzɜːvd/