ダイ

題, 是, 日, 疋, 龰, 卜, 人, 頁, 貝, 目, 八

topic, subject

課題(かだい): (1) subject; theme; issue; matter (2) homework; assignment (3) task; challenge; problem; question
問題(もんだい): problem; question
話題(わだい): topic; subject
議題(ぎだい): topic of discussion; agenda
主題(しゅだい): subject; theme; motif
宿題(しゅくだい): homework
題名(だいめい): title
題(だい): (1) title; subject; theme; topic (2) problem (on a test); question (3) counter for questions (on a test)
出題(しゅつだい): (1) setting a question (for an exam) (2) setting a theme (for composition of poetry)
題する(だいする): to be titled (e.g. a book); to be named