When use the words expartiate and expanciate?

You're likely thinking of the words expatriate and expatiate. Let's break down their meanings and usage:

Expatriate (verb and noun):

* Verb: To leave one's native country to live in another.

* Noun: A person who lives outside their native country.

Example:

* Verb: "After the revolution, many intellectuals chose to expatriate themselves to Europe."

* Noun: "The expatriate community in Paris is quite diverse."

Expatiate (verb):

* To speak or write at length or in detail. To elaborate on a topic.

Example: "The professor expatiated on the history of the Renaissance, citing numerous examples and anecdotes."

Key Differences:

* Expatriate: Deals with leaving one's homeland and living abroad.

* Expatiate: Focuses on speaking or writing extensively on a subject.

Remember: These words are distinct and have very different meanings. Use "expatriate" when discussing relocation to a foreign country and "expatiate" when describing a detailed explanation or discussion.