Are these Latin/Greek translations of Hebrew terms useful? [closed]

Question

If you use the following Latin or Greek translations of Hebrew terms in conversation with secular people, do they tend to know what you're talking about? If so, in what contexts - a university Classics or Philosophy department, the corner grocery, the accounting firm where you work?

Related: In what secular contexts have you heard other people use these terms?

Examples:

• "A fortiori" for "kal vachomer"
• "Ab initio" for "lechatchila"
• "Phylacteries" for "tefillin"

Feel free to add more examples, including by editing this question.

Answer 1

Some law professors and judges like using 'a fortiori' and 'ab initio' a lot.

Answer 2

If you are the Chief of Police of Philadelphia then olfacteries for tefillin is a very important word! ;-}