subject /ˈsʌb.dʒɪkt/ /ˈsʌbʤɪkt/
topic /ˈtɑpɪk/ /ˈtɒpɪk/
theme /θiːm/ /θiːm/
subject matter /ˈsʌbdʒɪkt mætər/ /ˈsʌbdʒɪkt mætə/
