spark /spɑːrk/ /spɑːk/
devilish person
naughty person
naughty /ˈnɔti/ /ˈnɔːti/
mischievous /ˈmɪsʧəvəs/ /ˈmɪsʧɪvəs/
playful /ˈpleɪfl/ /ˈpleɪfl/