set fire /sɛt ˈfaɪər/ /sɛt ˈfaɪə/
to torch /tɔːrtʃ/ /tɔːtʃ/
set on fire /sˈɛt ˌɑːn fˈaɪɚ/ /sˈɛt ˌɒn fˈaɪə/
to ignite /ɪgˈnaɪt/ /ɪɡˈnaɪt/
to kindle /kˈɪndəl/ /kˈɪndəl/