theme

(n) the subject matter of a conversation or discussion
- he didn't want to discuss that subject
- it was a very sensitive topic
- his letters were always on the theme of love
subject, topic,
(n) a unifying idea that is a recurrent element in literary or artistic work
- it was the usual "boy gets girl" theme
motif,
(n) (music) melodic subject of a musical composition
- the theme is announced in the first measures
- the accompanist picked up the idea and elaborated it
melodic theme, musical theme, idea,
(n) an essay (especially one written as an assignment)
- he got an A on his composition
paper, report, composition,
(n) (linguistics) the form of a word after all affixes are removed
- thematic vowels are part of the stem
root word, stem, root, radical, base,

(v) provide with a particular theme or motive
- the restaurant often themes its menus

subject topic motif melodic theme musical theme idea paper report composition root word stem root radical base

Thea then

thebe theca theft Theia there therm theta

theme park theme song