How to spell thesis

hear itthe·sis/'θisɪs/nounSchwa and roots

What it means: A treatise advancing a new point of view.

In a sentence: The student wrote a thesis about her favorite animal.

The part people get wrong

Often misspelled as theses or thesus.

Same family: theses, theme, hypothesis, synthesis, antithesis. If you can spell one, the shared part carries to the others.

Where it comes from: “Thesis” comes from a Greek word meaning “a placing or setting down,” originally referring to the setting out of an idea. Over time, it came to mean the main idea or argument that you ‘set down’ and support in a serious piece of writing.

Try spelling it

You will hear the word and a sentence. Type it and press Enter. Then four more words from the same level, so you know where you stand.

Words like this

symptom · moral · trial · formula · telescope · hypothermia · tuition · semester

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